4000 EcoSwift 7.5 x 10.5 White Small Poly Mailer Size #2 Self Sealing Envelopes Plastic Shipping Mailing Bags 7.5x10.5 1.7 mil Size: #2 (1.7 mil) Dimensions: 7.5" x 10.5" EcoSwift Self-Sealing, Peel and Stick Adhesive Quantity: 4000