Material: Polypropylene. High Transparent:These bag s are crystal clear,has good transparency,the picture mats,photos and other artwork will show the display effect clearly,never preventing the artwork display.

Crafted from paper and strong adhesive that won’t deform or break. – Self-Adhesive Color Coding Labels in 8 Vibrant Colors. Includes a generous total of 4000 color dot stickers. Why Choose Our Dot Stickers?.

Backing Board: 4-ply, white on both sides, and core is brown. Clear Bag : includes a re-sealable adhesive strip below the opening of the bag instead of on the flap. Set includes: 10 Single 11×14 Black Mats, 10 Backing boards, & 10 Clear Bags.