This item comes with 50 8x12 inches backing boards. The cardboard is white on both sides, brown core, 1/16 inch thick. The backing board for crafts is
How to get a picture out that is stuck to the glass of a picture frame - Quora
100 יחידות שקיות צלופן צלו שקופות 2.8 אינץ' x 30.5 סמ עם איטום עצמי שקיות פולי ניתנות לסגירה חוזרת 2.8 מיל תיק OPP לאריזת בגדים, חולצות טי, מתנה דקורטיבית למסיבה : Everything Else
This item comes with 50 12x12 inches backing boards. The cardboard is white on both sides, brown core, 1/16 inch thick (about 1.4mm). The backing
Golden State Art, 12x12 Picture Mat Matte Backerboards for Framing. Pack Contains 50 Backing Boards (White, 50 Pack)
Backing Board Type Guide
Golden State Art matboard and frame
hpe08292010 by High Point Enterprise - Issuu
Crystal clear and resealable self adhesive sealing strip that protects the contents from dust, bugs, moisture, and mildew. Acid free and safe for food packaging. 1.2 mil thickness top quality. 5 11/16 X 8 9/16 inches (not include flap).
UNIQUEPACKING 100 Pcs 8 7/16 x 12 1/4 Clear Resealable Cello/Cellophane Bags Good for 8x12 Item
Golden State Art matboard and frame
11x14 at Jerry's Artarama