Bubble Mailers provide outstanding insulation protection for temperature sensitive products. While providing extra protection, these metalized foil envelopes add a touch of class! Each mailer is made of Metalized Foil Laminated to 3/16" bubble film for maximum protection. This mailer offers a Peel-N-Seal secure closure. Perfect for shipping products that are sensitive to temperature. Product Description: Mailer Inside Dimensions: 6.5" x 9" Color: Silver Quantity: 50 Padded Envelopes