For PICO 4 Hibloks VR Glasses Face Cushion Protector Pad With Fan 1. The mask cotton adopts hook and loop fastener installation method, which can easily realize the characteristics of quick disassembly and quick installation. You can replace the protein leather or ice silk fabric cotton according to your own needs. 2. The widened mask has openings with an anthropomorphic design similar to a mecha, which can make the mask look more personalized. 3. The widened mask is designed with multiple ventilation openings on the top and bottom, making it breathable and not stuffy. It can be used with a cooling fan to solve the problem of lens fogging. 4. Widen the mask and install a larger area of mask cotton to increase the contact area with the skin and reduce squeezing. Together with the top headrest, it greatly improves comfort. 5. There are six powerful neodymium iron boron magnets installed on the mask, which can quickly install the mask on the helmet, and the strong suction fit will not let it go off. 6. Material: plastic, sponge 7. Applicable models: suitable for PICO 4