Mueller Kold Instant Cold Pack Case of 16 The Mueller Kold Instant Cold Packs are convenient and ready whenever you need them. No refrigeration is needed, and they activate instantly. These fast-acting cold compresses are ideal for sports injuries or first aid. Features: Convenient and ready whenever you need it No refrigeration needed – activates instantly Ideal for sports injuries or first aid Sold in packs of 16 SKU: MU030102