There are very few easier or safer ways to send paper and flat shaped gifts through the mail than with JAM Paper® Medium Colorful Christmas Tree Design Holiday Bubble Mailers! These mailers are made of thick, durable paper and are lined with plastic, air filled packing bubbled on the inside. Each one is 8.5 x 12.25 inches in size and has a secure, self adhesive closure. Their colorful Christmas tree pattern is sure to catch the attention and cheer the hearts of their recipients. There is even a "From:, To:" labeling space provided on the front. These mailers come in packs of 6. Use them for quick, one step packaging and trustworthy assurance that your mailed gifts will arrive without damage.