Brand: Jimugor Color: Blue Features: PREMIUM QUALITY Plastic Material: Made of advanced ABS material, with dimensions of 14.2 * 14.2 * 3.54 INCH, it can withstand a weight of 400LB. The bottom and standing surface are made of TPE anti slip material to increase friction and very high durability New multifunctional design: One side is used as a balance board, and the other side is ergonomically designed which can be used as a back stretcher relieving lower back pain Persistent use for a long time.This balance board with back stretcher is a good choice for beginners, the elderly, people with balance and back pain issues,it can develop balance,motor coordination skills, weight distribution and core strength,great to prevent ankle and knee injurious,Relieve lower back soreness ANTISKID BOTTOM, TEXTURED SURFACE: The Premium Balance Board Ankle is a versatile and beneficial product with an antiskid bottom, textured surface, and easy cleaning. It can be used barefoot or with shoes, providing stability and gentle stimulation during exercise. Different from the traditional back stretcher, it does not need to be assembled and you do not need to worry about the tingling of acupuncture and moxibustion waist plate !meanwhile This Balance Workout Board with back stretcher function can be used almost anywhere; Ideal for home gyms, outdoors, fitness clubs, or your standing desk. Package Dimensions: 14.2 x 14.2 x 3.5 inches Listing and template services provided by inkFrog