Heat Pad Cover - Hedgehogs fleece £4.75 Quantity: at £4.75 each 1 in stock. Fleece heat pad covers are a must have for anyone whose pets use snugglesafe heat pads, as you always need spares to use when others are in the wash. Each one has a thick double layer of polar fleece on top and 2 single layers forming a pillowcase opening on the back. So no Velcro fastening that you have to pick bits of bedding off! This heat pad cover is made of Hedgehogs fleece. Measurements - Each removeable cover is sized to fit a snugglesafe heat pad.