... rubber swimming caps 100% silicon,approve SGS actuation force flexibility,soft dynamic design;OEM eco-friendly;non-toxic Namesilicon rubber ... , Western Union Feature 1. Material :100% silicone rubber ,Green Material2. Actuation force flexibility for the silicone ... easy to clean with cleaner if dirty. silicon swimming cap100% silicon,approve SGSactuation force flexibility,softdynamic designeco-friendly; ...