Rapid Deployment Rapid Cold, cold packs have a unique design that provides easy activation. With Rapid Cold, cold packs bag bashing won't be necessary. These Cold Snap cold packs are disposable, have a convenient slide off clip and are large enough to wrap around a limb. The cold packs are shipped in for four inner boxes of six to avoid any shipping damage and measure 5 1/2" x 10 1/2".