EcoSwift 1 #7 14.25x20 Poly Bubble Mailers Padded Envelope Shipping Bags 14.25 x 20 EcoSwift 1 #7 14.25x20 Poly Bubble Mailers Padded Envelope Shipping Bags 14.25 x 20 Dimensions: 14.25" x 20" Usable Space: 14.25" x 19" Lined with bubble wrap for protection. Self-sealing, peel and stick, adhesive keeps contents secure and tamper proof