Red bags ImagePac.
20 x A9 stamp maker bags for use with Stampmaker. 1 7/8" x 1 1/4" / 48 x 34mm.
Imagepac Stampmaker red photopolymer bags in a thickness of 1.9 mm used ao. with Craft and Business Stampmaker Kits.
Make a negative on transparent paper. Place this on the bag, place in the special clamp to flatten the bags and expose to UV light. Cut open and was out.
One side of the plastic stays on your stamp, one side is removable.
Note: To use these bags you need the clamping frame and a UV lamp.