Made from silicone material, these stoppers are , providing you with a good sealing solution for your experiments. Whether you are working in a laboratory or conducting experiments when at home, these silicone plugs are the perfect choice for your needs. Features -Color:White -Material:Silicone -Size:1.67X1.67X1.25cm/0.66X0.66X0.49in (S13.5) -Size:1.60X1.60X1.28cm/0.63X0.63X0.50in ( .5) -Size:2.00X2.00X1.40cm/0.79X0.79X0.55in ( ) -Size:1.64X1.64X1.27cm/0.64X0.64X0.50in ( ) -Size:1.55X1.55X1.23cm/0.61X0.61X0.48in (S8) -Size:0.75X0.55X0.55cm/0.29X0.22X0.22in (S2.7) -Wide application: Suitable for flower pot, pepper and salt shaker, bottle, and so on. -Silicone material: They are manufactured with silicone material, which is reusable, washable, not easy to break and deform. -Large quantity: silicone plug with large quantity, enough to meet your quantity demands. -Different size: solid silicone stopper with different size, which is convenient to meet your size option. -Small: solid silicone stopper replacement with compact size, which is easy to carry and store. Package list: 4 x S2.7mm stoppers 4 x S8mm stoppers 4 x S12mm stoppers 4 x .5mm stoppers 4 x S9mm stoppers 4 x S13.5mm stoppers