20 EcoSwift Size #1 6 x 9 White Poly Mailers Self Sealing Bulk Packaging Materials Shipping Supplies Envelopes Bags 6 inches by 9 inches Size: #1 Dimensions: 6" x 9" Dimensions: 6" x 9" EcoSwift Self-Sealing, Peel and Stick Adhesive Quantity: 20