Features: Care for the waist, relieve stress, and be healthy every day. 1. Scientific classification, bedtime + sleep, classification care. 2. Ergonomics, 3D curved surface fit. 3. Memory rebound, slow back to memory coton. 4. Breathable fabric, 4D mesh cloth jacket. Fill the waist gap and say goodbye to soreness. 1. Soothe the waist soreness, easy to fall asleep, improve sleep quality. 2.3D support, fill the gap, functional partition, close fit. 3. Engineering zone waist belt design, care for the lumbar spine fit and relax. 4. Support area, convex design, full support lumbar vertebra fill gap. 5. Side sleeping area, embracing design, care for the waist side. "C type" waist + "T point" top waist Not only has a "C-shaped" embracing waist, but also a raised module in the "T-point" area of the human waist and lumbar vertebrae. Adjusting the "T-point" position of the car seat back according to different sitting postures, colleagues have both Waist and top waist. Slowly return to the inner core of the memory coton, slowly returning to in 3-5 seconds, uniformly absorbing the pressure of the dispersion, and supporting the force 4D mesh fabric is breathable, not sticky, smooth, not easy to wrinkle, good breathability Concealed zipper for easy removal, smoothness and durability. Package : 1 Piece Pillow