Features Size: #00 (1.7 mil) Dimensions: 4″ x 6″ EcoSwift Self-Sealing, Peel and Stick Adhesive Quantity: 100 100 EcoSwift 4 x 6 White Small Poly Mailer Size #00 Self Sealing Envelopes Description EcoSwift Brand 4 x 6 inch 1.7 mil Poly Mailers with self-sealing, peel and stick adhesive, keep contents secure and tamper proof. EcoSwift Poly Mailers are extremely durable and lightweight to help save you money on postage. Superior tear and puncture resistance. High strength seams for maximum protection. Silver lining inside keeps contents hidden from view. Surface easily accepts ink, stamps, and labels. Approved by shipping carriers. About Us Since our founding, we have taken special pride and pleasure in being able to participate in the exciting world of eCommerce and providing products of the highest quality. It is with this philosophy that we want to run our store and provide exceptional value to you as our customer. Payment We accept payment by PayPal. Tracking Your Order: Once your order ships a tracking number will be sent to you via the email address used to place your order. Problem with My Order: For concerns regarding your order, please contact us here. Shipping All of our shipments are free for you our customer unless you decide to upgrade your shipping for a small fee. At this time we only ship to the continental 48 states of the United States. We do not ship to PO/APO boxes. Returns Returns can only be requested within 30 days of the product shipment date. We offer free return shipping for all of our items. Returned items must be in their original packaging with everything included. Please contact us here (link) for help or assistance in processing a return.