Driving a car is a full-body exercise that focuses on the waist. When you operate the handle, shift or pedal, the front and right force is applied to your body, and the pressure is focused on your waist. In addition, the weight of your body is focused on the sciatica and tailbone area for a long time, and it is prone to pain in your hips and hips. Hug Drive is a highly functional car cushion that has evolved the support function to a 3D fit that supports the pelvic support structure used in the welfare field, and the support of the lower back. Helps you drive longer Fits both driver and passenger seats Pelvic support construction stabilizes driving posture The non-slip backing and special belt prevent unpleasant slippage and supports stable sitting posture. Use the seat cushion and back cushion set to create a stronger exgel effect. Product Name: Hug Drive Circle Seat Back Cushion Set Material: Seat, Back Common Material: 100% Polyester, Urethane Foam Filling: Exgel (synthetic rubber), Urethane Foam Seat: Back Material: Non-slip Nylon Back: Back Pad/Non-slip Nylon Waist Pad/100% Nylon, 100% Polyester, Color: Black. Product Number: HUD0150-BK; Size: Seat: W480 x D460 H 40 ( Back (W x D x H): 13.8 x 14.4 x 12.4 inches (350 x 35 x 315 mm); Waist 17.3 x 4.5 x 7.7 inches (440 x 115 x 195 mm); Weight: Approx. 3.5 lbs (1.6 kg); Developed with a soft yet stable material. With a shock absorbing force of about 5 to 10 times higher than urethane foam, the ExGel can be flexibly shaped to fit the shape of your body when it is loaded.