Ergonomic Design: The heart-shaped design with high sides and a low center is designed to fit the curve of legs and knees, promoting a natural back and butt alignment when you sleep on your side. The hollow center increases air permeability. The elastic band helps keep the pillow in place for peaceful sleep. High-Quality Material: The knee pillow is made of 100% premium memory foam that effectively relieves pressure from the legs and has good resistance. After use, the pillow returns to its original shape. The pillow is made of polyester fiber, the same material used in yoga mats - soft, breathable, and elastic. Relaxing at night can improve your sleep quality and rejuvenate you the next day. Easy Cleaning: Easy zipper design, removable cover, durable, and machine washable. It is not necessary to wash the inner core of the pad. After being used for 1-2 months, simply place it in a cool, ventilated area for 2-3 hours. Great Gift: This leg pillow is ideal for pregnant women, people who sit for long periods, the elderly, and side sleepers, or anyone who needs to reduce leg pressure. It is also an ideal gift for parents, partners, and friends. Give yourself and your loved ones better sleep quality and improve your quality of life. Service Promise: Knee pad size: 25 x 21 x 14 cm. If you have any problems with our leg pillow, please contact us. We will offer you a satisfactory answer.