1, TPU frame, frame material is light, and has toughness, not sinking, anti-fall, anti-twist.
2, PC lens, the surface after a number of special strengthening treatment, anti-friction, anti-shock, the lens is curved design, so that the field of vision is wider, see objects more clearly!
3, widen the double-wool elastic band to wear on the head _ no pressure feeling, double-wool elastic band makes the hand feel more perfect, the belt can be adjusted length, suitable for all types of head!
4, environmentally friendly soft high-density sponge, with excellent flexibility and flexibility!
