Tyvek Envelopes – 10x13 Mailer Tear Resistant Envelopes Tyvek® Construction & Easy Self Seal Closure –Bright White – Bulk Pack of 50 – 10 x 13 Inch (White, 10x13)
Tyvek Envelopes – 10x13 Mailer Tear Resistant Envelopes Tyvek® Construction & Easy Self Seal Closure –Bright White – Bulk Pack of 50 – 10 x 13 Inch (White, 10x13)
Tyvek Envelopes – 10x13 Mailer Tear Resistant Envelopes Tyvek® Construction & Easy Self Seal Closure –Bright White – Bulk Pack of 50 – 10 x 13 Inch (White, 10x13)
- HEAVY DUTY ENVELOPES – They are Practically Indestructible and provide superior protection from tears, punctures and moisture. Also, they are self-sealing and secure.
- INDESTRUCTIBLE DUPONT DESIGN – Lightweight But Strong, Durable Tyvek Material Resists Ripping, Tearing, Punctures, Rain, Moisture & Other Common Postal Threats
- CONVENIENT SELF SEAL CLOSURE – Peel Back the Sticker to Quickly & Effortlessly Seal & Send; Open End Catalog Orientation Enables Fast Paper & Packet Stuffing
- SUPERIOR SHIPPING PROTECTION – Double Reinforced Construction, Opaque Color & Super Sticky Glue Offers Maximum Security for Confidential Business Mail
- BUY CHECKOMATIC & SAVE BIG – Stock Up on Bulk Supplies & Enjoy the Best Prices in the Industry; Lighter Weight Saves On Postage Half The Weight Of Paper Envelopes; Envelope Packs Available in 6x9, 9x12, 10x13, 10x15 & 12 x 15 1/5
Brand: | EnDoc |
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Size: | 10x13 |
Color: | White |
Manufacturer: | EnDoc |
Part Number: | En09 |
Material Type: | Plastic, Paper |
Product Dimensions: | 13.86 x 10.39 x 1.5 inches; 1.52 pounds |
Isin: | IXIKE2X10F5X |

IBspot Buyer Protection
Shop confidently on IBspot, receive your item as described or your money back for eligible orders. Learn Program Terms

GUARANTEED SAFE CHECKOUT
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MONEY BACK GUARANTEE
30 days money back guarantee, no additional fee charged.
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EXCELLENT SUPPORT
We provide 24/7 online customer support via email.
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Fast Shipping
One week domestic shipping. Global delivery to the US in 2 weeks.
For ultimate defense against the grueling postal journey, send smartly with these ultra resilient Tyvek Envelopes from Checkomatic. Developed by the legendary DuPont brand, this 50-pack of mailers makes an ideal choice for sending important papers and similar lightweight correspondence via UPS, Fedex, USPS and beyond. The synthetic material proves both eco friendly and exceptionally durable, resisting rips, tears, punctures, as well as rain, snow and other liquid threats.
Our supplies come in every size from small to large to jumbo and more, so they’re ideal for a variety of mailings. Just stuff your stuff into a pouch, peel back the sticker, press down to seal, affix your labels, and send confidently. No bubble wrap or bulky padded coverings necessary. Don’t waste another minute worrying about Mr. Postman—just add a box of Checkomatic Tyvek Envelopes to your cart today!
What You Get
- 50 x Tyvek Envelopes from Checkomatic
- A convenient box that acts as an organizer
- Super strong mailers that protect and secure
- An office essential that’s easy and affordable!
Specs & Details
- Material: high-density polyethylene fiber
- Brand: DuPont Tyvek
- Choose size: 6x9, 9x12, 10x13, 10x15 & 12 x 15 1/5
- Color: white
- Closure: self seal
- Orientation: catalog (open end)
- Compatibility: flat rate (weight dependent)
How to Enjoy
- Send a legal document, invitation or other important letter
- Stay stress-free knowing the Tyvek brand has your back
- Enjoy swift stuffing with peel-and-stick ease and expandable room
- Save the office budget with the very best prices from EnDoc.
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
Shipping Method | Estimated Delivery | Cost |
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Free Shipping (US) | 5–10 business days | Free, available on eligible items |
Standard Shipping (US to US by Item) | 5–10 business days | $6.50 for the first item, $3.00 each additional |
Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
Extended Delivery (Ships from Overseas Warehouse) | 10–15 business days | $14.50 for the first item, $4.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
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Email: support@ibspot.com
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Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
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The item must be unused, in the same condition as received, and in its original packaging.
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A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
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Perishable goods (for example, food, flowers, newspapers, magazines)
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Intimate or sanitary goods
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Hazardous materials or flammable liquids/gases
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Gift cards
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Downloadable software
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Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
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Books with obvious signs of use
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Opened CDs, DVDs, software, or vinyl records
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Items not in their original condition, damaged, or missing parts not due to our error
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Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We will provide a free return shipping label.
If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
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In-store returns are refunded to the original form of payment or issued as a gift card.
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Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
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5–7 business days for the return to reach our Returns Center.
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An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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