Bumkins colorful cold packs chillers help soothe your little one's minor aches and pains. Also helpful for keeping snacks and lunches cool and fresh. Easy to clean, hand wash only. Filled with safe, non-toxic gel; perfect for your first aid needs! These Nintendo-styled cold packs feature a retro 8-bit style and include Super Mario, 1-Up Green Mushroom, and Super Star as well as the Question Block, the NES Controller, and the original Gameboy.