Tantus Echo Super Soft is a fantasy dildo whose head is repeated multiple times. The Echo has ridges that gently ripple over the g-spot or prostate as it glides in and out the body. This is the first time the Echo has been made without bullet vibration making it more harness compatible. Safe for your body: made from Tantus own unique formula of 100% Ultra Premium Super Soft Silicone. Easy to clean: eco-friendly. hypoallergenic. hygienic. boilable. bleachable and dishwasher safe. Diameter 1.55 inches. insertable length 6.5 inches.