Bell Labs Trapper LTD Mouse/Insect Glue Boards - Case (72 Boards) Trapper LTD is a non-poisonous, but effective way to capture mice, roaches, and various insects on contact. Trapper LTD's disposable cardboard supplies supreme adhesive power, just peel off release paper and start catching! Ideal for kitchens, food plants, kitchens, hospitals, residences, zoos, and other sensitive areas where poison is prohibited or discouraged. 8" long x 4" wide