【Transparent Ice Silk Fabric Cover】The pillow uses an advanced transparent ice silk fabric cover, which is more breathable, comfortable, and softer with non-slip nubs on the bottom. There is also a hidden zipper design that can be cleaned and stored for cleaning. 【Gift Idea】Ideal as a Valentine's Day gift, Mother's Day gift, Father's Day gift, birthday gift, Christmas gift; Practical, ergonomic, comfortable. 【Helps Relieve Pain】Effectively prevents and relieves various pain symptoms, including tailbone problems, lumbar strain, sciatica, and degenerative disc disease. Relieves sedentary fatigue, avoids pain and numbness caused by compression of the buttock muscles, creates a relaxed and comfortable sitting posture, and lets the body relax better.