【Ergonomic design】The seat cushion adopts unique U-shaped design to perfectly match the contour of human hip, provide unprecedented fitting effect and ensure no discomfort even if sitting for long 【High Quality with Comfort】 — With the exquisite 3D air mesh weaving technology from Germany, the mat contains thousands of honeycomb structures for better breathability and easier drying. The 3D air mesh covering feels much softer and more friendly to the skin. Durable elastic material will never deform even under great pressure. 5# nylon zipper with hidden design is much stronger and safer without damaging the bathtub 【5-inch Height to Keep Hair Dry】 — Cushion is ergonomically designed to ensure e a comfortable bath without wetting hair. Due to the size as high as 5 inches，you can easily face all the tubs and enjoy leisure time with whole family without worrying about deep water 【Quick Sink without Displacement】 — The tub booster seat is equipped with 6 weighting parts to be firmly fixed without floating. The non-slip rubber mat can keep it remain stable and secure underwater without frequent adjustments 【Easy Disassembling & Machine Washing】 — We feel so proud of the quality and durability of the tub booster seat. It’s made of a machine-washable cover and filling materials so it’s convenient and easy for washing to keep it clean, then you will get a new cushion for your tub bathing Getting this tub booster seat, you could immerse yourself in comfort at any time, so that you reduce your stress and fatigue and get a good sleeping. And the suitable height gives you support and keeps your hair out of the water. Meanwhile it is an ideal choice to having a comfortable height when enjoying soaking time.