The Christmas Poly Bubble Mailers by Watersay are 7 x 10 Inch padded envelopes perfect for sending holiday gifts. These self-adhesive mailers feature a festive Christmas pattern with a Santa Claus theme, making them ideal for sending Christmas cards or small gifts. Made of durable polyethylene material, these green mailers come in a pack of 50 and are designed to provide protection and security for your mail. These Christmas bubble mailers are a convenient and stylish way to send holiday cheer.