Cloud 9 Comfort Cock Rings with Flat Back 5 Pack Pro Sensual Line. SKU number WTC961 Cloud 9 Pro Sensual Comfort Cock Rings with Flat Back Design 5 different sizes Pack. UPC number: 850013016860. Cloud 9 Pro Sensual Comfort Cock Rings are soft and stretchy, featuring an extra wide design for maximum comfort and a flat back to keep them in place and prevent rolling. Multiple sizes allow users to find the perfect fit, and the set comes with a bonus mesh pouch for storage. Use only with water based lubricants. Please note: cock rings should not be worn for longer than 30 minutes. Dimensions: the set comes in 5 sizes: 30mm, 35mm, 42mm, 55mm, 64mm e or approximately 1.18 inches, 1.37 inches, 1.65 inches, 2.16 inches, 2.51 inches. Categories: Love Rings, Cock Rings, Sensual Kits, Men's Cock, Ball Gear. 2022.