The laminate/high tack adhesive refill is 300 feet long and for the XM2500. It applies standard laminate on one side and high tack acid-free permanent adhesive on the other side for items up to 25 inch wide. It's great protection for posters, banners, signs and more. The dual roll set is easily installed into machine-easy to switch applications. No heat, no mess and no waiting. Document thickness (max.) 0.10 inch (2.5mm) up to 3/16 inch foam core with tray removed. Contains two 25 inch rolls of lamination (one set.) Imported.