Apollo 7 Function Premium Enhancer XL Cock Ring Smoke. Durable and stretchy erection enhancer. Dual semi-circle stainless supports for comfort and stamina. Safe and pure for body and pleasure made using phthalate free materials Thermoplastic Rubber. TPR enhancer, Stainless supports. Bulk Weight: .large. 2.25 inches by .5 ". Category: For Males, Rings & Sleeves, Rings