Armour Ball Splitter Ring Black. Made of PF Blend a proprietary blend of Silicone and Thermoplastic Rubber TPR developed to provide superior stretch, comfort and durability. Safe with water based lubes wash thoroughly with mild soap and water. Not compatible with latex. Store separately. Perfect Fit Brand Products are sold, and intended for use strictly as adult novelty toys for entertainment. They are not intended for medical use and have not been clinically tested. No medical claims are warranted or implied by the use of these products.