This hole plug set is made of , which can withstand use. Features the rubber material, which has high durability, not easy to deform. Fine workmanship, practicality. Features -Color:Black -Material:Rubber -Size:: 20.50X10.30X3.20cm,19.50X9.30X3.00cm;/8.06X4.05X1.26in,7.66X3.65X1.18in; - Including a non-opening rubber grommet and a rubber ring gasket, the rubber grommet is designed to cover holes that are no longer used and protect cables or wires; while the ring gaskets are designed to pass wires through firewalls. - These wire spacers are made of high grade rubber which is flexible, tough, resistant, heat resistant, UV resistant and has good electrical resistance properties. - They are stored plastic boxes with a grid for different sizes of washers, you can easily and quickly find the size you need, and it's also convenient for you to carry around. - These rubber washers are designed to protect wires or cables from abrasion from rough surfaces, they are also widely used in automobiles, pumps, valves, water , sprays, electrical appliances, crafts, decorations, etc. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. Package list: 7.14mm Grommets 9.53mm Grommets 30 x 12.07mm Grommets 20 x 15.88mm Grommets 10 x 19.05mm Grommets 10 x 22.23mm Grommets 10 x 25.40mm Grommets 3x8mm Grommets 5x10mm Grommets 6x10.5mm Grommets 25 x 8x14mm Grommets 20 x 10x15mm Grommets 5 x 12x18mm Grommets 5 x 16x24mm Grommets 5 x 18x26mm Grommets