* 100% bio-based PCM cooling technology (PCM = Phase Change Material) * Inuteq's bio-based PCM is non-toxic, flame retardant, durable, reusable, 20% lighter than water, & does not produce condensation * Easy to clean with a cleaning cloth, water, or disinfectant Article: Inuteq Bodycool Hybrid 2in 1 cooling Inserts, blue for Men