Product Details 

• Gender: Men and Women,unisex,kids
• Material: 70% Neoprene , 30% Polyester
• Weight: 200g
• Lightweight and breathable, it can be used close to the body, effectively solving the hunchback, bending over, sitting not straight.
• Helps improve breathing, relax muscles and straighten neck, spine and your head.
• It is made of high-quality OK cloth and SBR material through careful processing and design
• Size M