1.Fabrics: All adopt high tenacity waterproof fabrics. 2.Multilayer internal materials: They will try utmost to prevent harm caused by external force. Part of the materials of viewfinder adopt spring geometry to mitigate the power of collision. 3.Material: Purified cotton and antiwear nylon are chosen to fully protect the camera. 4.Dedicated hardware fittings: They are nice-looking and solid, which have been through tensile strength testing, and can afford more than 100 kilogram tensile force. Professional Waterpr Rain Cover for Panasonic AG-DVX200 UX90 UX180 HC-X1 AJ-PX270 AJ-PX230 Sony PXW-FS5 PXW-FS7 PXW-FS5M2 PXW-X180 PXW-150 PXW-X160 PXW-X200 PXW-Z100 PXW-z150 PXW-z280 PXW-ex1 PXW-ex1r FDR-AX1E DCR-VX2200E HXR-hxr-nx3 hxr-AX2000E z1u hd 4K XDCAM Canon XF705 XF305 handheld Camcorder