Flip up design with 4 valve MOQ:3000pcs PVC frame shade 5 ... , soft glasses frame3. Design of eyeglasses, capable of being turned up, convenient to observeInner packing: Polybag, header card, sliding card, swathe ... x 39 x 36cm N.W.: 12kg G.W.: 14kg Flip front lens with valve Welding Goggle