RRRING is exciting, adventurous and fun at the same time. Imagine the excitement of a first date and the thrill of stepping out of your comfort zone by trying something new. It has 10 vibration functions and is made of soft silicone. Characteristics: 10 vibration functions USB rechargeable IPX7 waterproof silicone and ABS Total measurements: 4.3 cm x 11 cm x 3.6 cm Inner diameter: 3.1cm Weight: 50 g