3PSC dust cover with 30 filters and 9 breathing valves. Reusable dust-proof accessories-personal protective equipment for running, cycling and outdoor activities (1-black, 1 with usa flag, 1 camouflage) The package includes: 3 different sizes of dust cover, respectively: 35cm, 33cm, 30.5cm, this is a set suitable for family use. Comprehensive protection: 5-layer filter can remove non-oily particles in the air, including dust and other non-oily particles. Ideal for running, cycling and other outdoor activities Material --- activated carbon filter with additional protective layer. Non-woven fabric and carbon filter layer The multifunctional dust cover has a wide range of uses and is very suitable for protection, sportswear and outdoor activities, such as mowing, running, hunting, traveling, construction and woodworking. The kit includes: 3 bicycle accessories, 30 activated carbon filters and 9 filter valves (the duration of the filter depends on the user's breathing rate and pollution level. It is recommended to replace the filter after using the mask twice) IN GREAT SHAPE We Strive for 100% feedback if you have any questions don't be afraid to ask I usually ship next day. If you need and item immediately message me after purchase so I can ship ASAP. Look at my other listings at http://stores.ebay.com/divinitytentstore If you have any problems with any of my items let me know and I will do my best to fix it.