Specifications:
Medical Grade Silicone +ABS
IPX7 Waterproof
Ring 1: 31*31*6mm
Ring 2: 33*33*6mm
Ring 3: 38*38*18mm
Ring4: 134*10*10mm
How to clean: Run under water with antibacterial soap. Pat dry with a lint-free cloth or towel.
WARNING: Do NOT use silicone-based lubricant. ONLY use water-based lubricant.