Soft Latex Material: This Lumbar Pillow is made of natural latex, is different from memory foam, it with fast rebound, good support, deep pressure release, durable and non-deformation. And removable and washable wear-resistant eco-friendly cotton cover. Relieve Pain: The lower back support pillow is soft and thin but very supportive to fill the gap at the lower of the car seat. Effectively relieve lower back pain and fatigue during long travel or work from home. Multiple Ways to Use: The back support cushion can use for Office Chairs, Car Seats, Desk, Wheelchairs, Airplane Seats, Recliner and Couch, it can also be used as a cushion for Relief Tailbone Pain when sit for extended periods of time, preventing pressure on the tailbone and lower extremities. Lumbar Cushion Size: 15 inch length x 10.6 inch width x 3.9 inch thickness, is the right size for lower back / vertebra pain or pressure relief. The Office Gifts for Women / Men: This waist pillow for chair is the perfect gift for colleagues, is unisex, practical and comfortable. Note: The wet and mold mentioned in the evaluation is not correct, the inner core feels damp, that is silicone oil used for latex to fall off the mold. Our products are all dry throughout the process from produced to vacuum sealed. The blackening is because the cover is black and the latex core is white. Due to the long time of squeezing in vacuum package, the color migration has occurred, so the latex has turned black,and all products have been adjusted and upgraded now,this situation won't happen again. Our latex material is also use the high quality, only the normal faint latex smell, not harmful to the body, please rest assured to use.