General description Arofol Classic Gold Bubble Lined Envelopes are designed for general use, providing an economical solution for mailing items through the postal system. These envelopes feature an easy peel-and-seal closure, ensuring a secure and mess-free experience. Technical specifications Size: 120 x 215mm (internal measurement) Material: Environmentally friendly FSC paper Bubble lined for added protection Brown paper outer for tear resistance Other information Available in a full range of sizes (size 1 to 10) All FSC-certified products are harvested from woods in a controlled process regulated by strict economic, ecological, and social norms.