Sure Lox Puzzle Rollup A unique and easy way to build and store your puzzle Each kit includes: O 1 puzzle roll up mats 4 rolling tube so 4 velcro fasteners Kids and adults alike will enjoy using the puzzle roll up - never worry about searching for missing pieces or transporting it into a different room altogether Holds up to 1500 piece puzzle measuring 39 x 23 inches 3 easy steps: make it! roll it and store it!