INSTANT COLD COMPRESS - Use these 4"x7" breakable ice packs for minor injuries and initial emergency pain relief. Squeeze the top and bottom of the pack together to activate until a pop is heard, shake well, and apply on the affected area for 10 to 15 minutes for immediate relief. TRAVEL ICE PACK - No need to keep in a freezer. These ice packs are portable at 4"x7" and are airplane safe provided the mix hasn’t been activated. Dispose properly after one time use. Great for use on the road, office, clinics, conventions, school, travel, and sports teams. BULK CASE - ICEWRAPS emergency cold packs come in a bulk case of 50 perfect for all your needs. Keep these medical ice packs in home first aid kits, baseball first aid kit, and survival kits.