1000 EcoSwift 4 x 6 White Small Poly Mailer Size #00 Self Sealing Envelopes Plastic Shipping Mailing Bags 4x6 1.7 mil Size: #00 (1.7 mil) Dimensions: 4" x 6" EcoSwift Self-Sealing, Peel and Stick Adhesive Quantity: 1000