ColPaC Contoured Cold Pack Packaging:1 Each two Spectra duckbill valves

two Spectra duckbill valves

and unisex options

This technology allows the masks to conform to most face shapes for a custom fit

including air travel approved size

ColPaC Contoured Cold Pack Packaging:1 Each two Spectra duckbill valvesColPaC Contoured Cold Pack Product Features Key Benefits: Works well in reducing acute pain, swelling, fever, bruises, muscle soreness, sprains and strains Delivers up to 30 minutes of soothing relief 23 inches long and contoured for neck but will work for other body parts Filled with a bentonite and glycol blend to keep cold pack from freezing solid Blue vinyl exterior Cold Pack ColPaC Contoured Neck One Size Fits Most 23 Inch Length Vinyl Gel