1000 EcoSwift 5 x 7 White Small Poly Mailer Size #0 Self Sealing Envelopes Plastic Shipping Mailing Bags 5x7 1.7 mil Size: #0 (1.7 mil) Dimensions: 5" x 7" EcoSwift Self-Sealing, Peel and Stick Adhesive Quantity: 1000