These collection lifters are ideal for collecting footprint residue at the crime scene. A special adhesive backed, crystal-clear mylar, 0.005” thick is used for absolute character transferal. Simply remove the protective cover to expose the adhesive side, lift and protect with a 0.010” thick acetate protective cover. A must for performing overlay impressions. Lifter size, 6” x 15” x 0.005”. Packaged as 12 lifters and 12 acetate covers per pack. 12/pk.