Mailer Envelopes Material Poyethylene Metalized Polyethylene Mailer Type Insulated Closure Style Lip and Tape Color Silver Usable WxL 14 1/2 in x 16 3/4 in Usable Width 14 1/2 in Usable Length 16 3/4 in Outside WxL 15 in x 17 in Outside Width 15 in Outside Length 17 in Mailer Number #7 Bubble Size 3/16 in Material Thickness 0.003 in Post-Consumer Recyclability 0 Percent With Tear Strip No Pre-Printed Address Lines No Standards FDA Compliant Materials Package Quantity 50