Art Edge self adhesive strips pre-cut to the proper width for outside edge placement.  2 rolls, 30' long each = Total 60 Feet Long 2mm Thick x 5mm Wide  - no more guessing how wide to cut your strips for your mosaic edges.  This is the perfect width for edging your mosaic so you can frame it later without the beads getting crushed. Since each roll is 30' long you can cut it to fit perfectly, no more splicing smaller pieces together for those larger projects.