What materials are used to make the FLEX?
Casing and Cap: ElastomerInternal Sleeve: Thermoplastic Elastomer (TPE)Lotion: HOLE LOTION [REAL] (Red) Ingredients:Water, Glycerin, Sodium Polyacrylate, Ethanol, Hydroxyethylcellulose, Phenoxyethanol, Methylparaben, EDTA-2Na, Polysorbate 80, Sorbitan Cocoate, Fragrance