Item Type: Smart Back BraceMaterial: ABS, PC, Nylon Strap .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Vibration Alert: This smart back brace aims to correct your posture problems through smart vibration alert. 2Adjustable Length: The length of this posture corrector can be easily adjusted, suitable for kids and adults. 3Counter Function: This back posture corrector is designed with counter function, keep track of the number of incorrect postures per day, the improvement can be clearly seen. 4Elastic Nylon: This back straightener adopts elastic nylon in high strength, easily fits the neck curve of kids, easy to put on and take off. 5Perfect Gift: This upper back brace adopts durable ABS, PC and nylon strap. Perfect gift for kids, friends and family. 1Vibration Alert: This smart back brace aims to correct your posture problems through smart vibration alert. 2Adjustable Length: The length of this posture corrector can be easily adjusted, suitable for kids and adults. 3Counter Function: This back posture corrector is designed with counter function, keep track of the number of incorrect postures per day, the improvement can be clearly seen. 4Elastic Nylon: This back straightener adopts elastic nylon in high strength, easily fits the neck curve of kids, easy to put on and take off. 5Perfect Gift: This upper back brace adopts durable ABS, PC and nylon strap. Perfect gift for kids, friends and family.