Put the natural anesthetic properties of cold to work. Instant cold packs provide temporary relief from the pain associated with minor bumps and bruises. Compact size fits neatly in first aid kits. Single-use design helps minimize the potential for cross-contamination. Easy-to-use packs activate instantly, so there's no waiting before application. Width: 5"; Depth: 4"; Number of Pieces: 1; Description: Instant Cold Pack, 5 x 4.