With 7.5 insertable inches and 10 vibrating functions, this waterproof, harness-compatible dildo is ready for extreme fun. Made of our unique X5 material, Hard On with Vibration has a realistic feel that mimics the human body. The molecular bonding of X5 allows it to be flexible, yet highly resilient. This means that X5 has memory and can recover its shape. Product weight with package 20.8 oz.