Mailer Envelopes Material Poyethylene Metalized Polyethylene Mailer Type Insulated Closure Style Lip and Tape Color Silver Usable WxL 6 in x 10 1/4 in Usable Width 6 in Usable Length 10 1/4 in Outside WxL 6 1/2 in x 10 1/2 in Outside Width 6 1/2 in Outside Length 10 1/2 in Mailer Number #0 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 100