FREE: Stiff heavy-duty paper box pieces

Box lids, or maybe they are bottoms. Made with a stiff heavy-duty paper. Could be good for hobby crafts where a very stiff paper is required. Gloss finish on exterior, matte on the interior. They can be made into boxes but you have to squeeze one to fit the other. Large size. Approximate quantity 35. Size 19” x 11-7/8” x 2-7/8” (48cm x 30cm x 7.3cm) Small size. Approximate quantity 79 Size 11-3/8” x 5-1/2” x 1-1/2” (29cm x 14cm x 3.7cm)