30 Minutes in 1M deep water,inside not wet !
Drop from 20M high, No broken!!!
Hammer on it, no broken!!!
Bearing 5-6 persons weight!!!
Driving car on it, No broken!!!
Brand Model Size Outline(mm) Inner(mm) Material Weight① Plastic big lock ② Water-proof seal ③ Thicken interlayer
④ Exhaust valve ⑤ Gift with workbin ⑥ Lock hole
A:body reinforce treatment B:Sunscreen no fade C: Cold resistence
D: Shock-resistence E:Gift with workbin F:Big capacity with interlayer
Size A B C D E F G H19" 280 485 265 200 315 110 210 145