The Big Cheese Ultra Power Block Bait Mouse Killer Kit features a twin pack of reusable, refillable mouse bait stations, each containing 5 x 20g poison bait blocks. These bait blocks, which contain brodifacoum, are fast-acting and guarantee quick results, effectively killing mice in just one feed, with an on-pack satisfaction guarantee included. Designed to fit discreetly in corners of your home, the kit features two-way entry and a translucent inspection chamber, allowing you to see when the bait needs replenishing. This kit is suitable for use indoors in homes and lofts, as well as outdoors around structures like garden sheds, garages, and outbuildings. The kit boasts a distinct, tamper-resistant design that protects children and pets from accidental contact with bait. The refillable mouse bait station makes it easy to set up and refill the kit.