Material: Our contour pillow is made of 100% natural latex, so soft.which is not only environmentally friendly but also very durable. pillow is best suited for back sleepers who prefer a thin profile pillow, less firm than,helping to improve the quality of your sleep. Specifications: This thin profile pillow measures 23.7in x 15.8in x 4/3.15in and has an ergonomic design with one side measuring 4 inches high and the other side measuring 3.15 inches high.The surface of a latex pillow contains evenly sized lumps and regular grooves. You can choose the height that suits you and relieve neck pain. Features: Our latex neck pillow has many small holes of the same size, making it six times more breathable than foam. The cover is made using a weaving process that provides excellent breathability, keeping you cool every night. We use 100% natural and eco-friendly latex material without adding any other chemicals, so there may be a natural latex smell. Don't worry though. Just open the package and leave it in a ventilated place for 2-3 days, and the odor will slowly dissipate. Enjoy it to the fullest! Guvar Brand Service: We stand behind our pillows with lots of information. We offer a 30-day free return service. If you are not satisfied with your purchase, we will refund you 100%. Do not place the pillow in a high-temperature environment, as heat may damage its softness and support.