Nikon Z-mount Body Cap*2 + Lens Rear Cap*2 + Hot Shoe Cap*2 + Cleaning Cloth*1 Compatible with Nikon Z6, Z7, Z8, Z9, Z30, Z50, Z5, Z7 II, Z6 II, ZF C

SKU: SKU.2229

A
It can provide a certain degree of splash-proof and waterproof effect, but if the lens or body is underwater, it cannot provide a completely sealed waterproof effect. 
A
Yes, the rear lens cap and body cap are made of hard plastic and can withstand drops from a certain height.