About this item: new Roshield 1.2kg Wax Block Bait for Rat & Mouse Killer Poison Control - Indoor, Outdoor All-Weather Rodent Bait Station Refill Packs (300g x 4 Packs) RAT & MOUSE KILLER BLOCKS - Highly palatable poison control bait to eradicate rats and mice within homes, gardens, sheds, outbuildings and other areas of rodent activity. The all-weather killer blocks are suitable for all climatic conditions, including cellars, attics and outdoor use. Bait must be used within an appropriate tamper-resistant bait station. HIGH-QUALITY CONTROL - Blocks are ready-for-use and formulated using high-quality culinary grade wheat flour blended with chopped wheat, other cereals, and proteins bound together by edible waxes. They are highly palatable, and a tried and tested method of rodent control. In addition, the product contains denatonium benzoate, a highly bitter substance that prevents human consumption. UK MANUFACTURED - Our killer blocks are made in the UK using a range of cereals sourced