EcoSwift Brand Premium Kraft Bubble Shipping Bag Self-Seal Mailer, 4 in. x 6 in. (Size 0000), Solid Gold, 550-Pack

Self-sealing, peel and stick, adhesive keeps contents secure and tamper proof. Extremely durable and lightweight Kraft material helps save on postage. Strong seams, fins on two sides, and seamless bottom for maximum protection. Surface easily accepts ink, stamps, and labels. Approved for USPS, FedExYou may also like 10000 EcoSwift 4.5 x 6.25 White Small Poly Mailer Size #000 Self Sealing Envelopes Plastic Shipping Mailing Bags 4.5x6.25 2.35 mil [Perfect for 4x6 thermal labels].