In One Box - 225pcs / 18 Popular Sizes O-Ring, you might be surprised how convenient it is to solve many problems in one box A Handy Tool - Anti-static, oil-resistant, UV-resistant, heat-resistant, and wear-resistant, making the rubber so tough and providing a longer service life Nitrile Rubber (NBR) - Soft and flexible, easy to install. 225pcs O-Ring Assortment Set can be applied to plumbing, automotive, or any other general repair needs Organized & Efficient - Stored in a resealable, labeled, and organized case, saving you time and effort Widely Applied - For power supply, control box, general AC outlet protection, household appliances, motors, tools, cars, trucks, trailers, electronic equipment, toys, bicycles, RVs, boats, pumps, furniture and more Color: 225 Pcs Features: 100% brand new and good quality. Suitable for car, door, window, electrical appliance, pump, roller holder. Wear-resistant and corrosion-resistant. No pollution, no radiation, no abnormal odor, environmentally