This item is a set of assorted for professional or home use. It is made of material which features heat-resistant, , pollution free, and for and safe use. Package Quantity includes 225 Pieces assortment in 18 sizes for various uses. Widely used for automobile, electrical appliance, mechanical, industrial, construction, household, and other fields. Feature - Color: Black. - Material: Plastic. - Seals Type: ring - Size (Box): Approx. 2.2 x 2.2 x 0.2cm. - Premium source material, heat-resistant, supper elasticity, , pollution free, and for and safe use. - 18 kinds of different sizes to meet different requirements. - Stable and performance. Appropriate mechanical strength, including expansion strength, elongation and tensile strength, etc. Full of elasticity and resilience. - With Plastic Box for convenient access and storage. - Fit for car, door, window, electric appliance, bearing, pump, carrier roller Auto, Home Appliances, Fittings, A/C Manifold and more. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 225 x Rubber Seals