The Sportsheets Merge Collection??s LUMA Dildo and Harness Cushion is a smooth, silicone sleeve that stretches easily over the base of dildos measuring 2 to 3.75". The squishy sky-blue accessory helps stabilize your dildo while in a harness, enhances comfort for the harness wearer and reduces pubic bruising. The triangle shaped LUMA can be paired with O Ring and Underwear style harnesses to add extra cushion during thrusting. It??s the perfect cushion for all your pushin??!