3M DL951-RP ~ Dual Laminate Refill Cartridge DL951 (8.5 x 100 ft)3M Dual Laminate Refill Cartridge, DL951, 8. 5 x 100 ft (21. 6 cm x 30. 5 m) 3M Dual Laminate Refill Cartridge DL951 combined with the 3M Laminating System LS950 provides instant front and back side lamination which is great for presentation materials, three ring binder sheets, schedules and more It uses no electricity, there is no warm up waiting, and no heat or irritating odours This makes it ideal for documents which may be sensitive to heat