1, A Grade:100% Nylon, 2, B+ Grade:60% Nylon+40% Polyester 3, B Grade:30% Nylon+70% Polyester 4, C Grade: 100% Polyester
1.Hook&loop on one side to save space and easy to instruct2.Softness itself,no injuries to hands and reduce the friction effectively for the coat3.A long life validity over 10000 times to use4.Applied for the hook&loop self closure principles,
it's environmental