Instant Cold Pack with Urea (Non-Toxic), 4" x 5"

dynarex instant hot and cold packs are flexible and conform to the contours of the body, activating with a single squeeze. Convenient, single use packs provide instant heat or cold therapy for minor injuries, making them ideal for first aid kits, sporting events, schools and home use.

• Easy activation of packs, offering immediate relief to injured area
• Flexible material conforms to body contours
• No refrigeration needed