Xplay PF Blend Premium Stretch Ribbed Ring 2 Pack from Perfect Fit Brand. One medium size ring and one restriction ring. Ribbed rings mixed pack. Made with Silicone and Thermoplastic Rubber Blend. Experience extreme extended play time. Made of PF Blend a proprietary blend of Silicone and 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. These products are Phthalate free, do not contain latex, and meet European EN71-3 toy safety standards.