Mini Union Jack Hot Water Bottle Hand Warmer made from PVC in the shape of a hot water bottle and comes complete with a knitted cover. Filled with a special liquid that heats up when a metal plate inside is activated. These are reusable hand warmers and come with full instructions on how to recharge. When cracked they stay warm for up to 30 minutes. Please note this item is not a toy. It is not suitable for children under 3 due to small parts and the contents should not be consumed. Each comes with full safety instructions, please read before using. Dimensions: Hot Water Bottle 11 x 6cm Cover 13 x 8cm