These solid rubber stoppers offer a wide range of size options, which has got all your needs covered. Made from rubber, these stoppers are built to last and provide a reliable seal. Installation and removal are quite easy, making these stoppers user-friendly and convenient. Perfect for labs, parties, homes, etc. Features -Color:Black -Material:Rubber -Size:3.00X3.00X2.50cm/1.18X1.18X0.98in -Size:2.60X2.60X2.50cm/1.02X1.02X0.98in -Size:2.50X2.30X2.30cm/0.98X0.90X0.90in -Size:2.50X2.00X2.00cm/0.98X0.79X0.79in -Size:2.50X1.80X1.80cm/0.98X0.71X0.71in -Size:2.50X1.60X1.60cm/0.98X0.63X0.63in -Size:2.50X1.40X1.40cm/0.98X0.55X0.55in -Size:2.50X1.30X1.30cm/0.98X0.51X0.51in -Size:2.50X1.00X1.00cm/0.98X0.39X0.39in -Size:2.10X0.82X0.82cm/0.83X0.32X0.32in -Lab stoppers come in a variety of sizes, making it easy to find the perfect fit for your specific needs. -Made of solid rubber material to ensure reliable sealing, resistant to crack and aging. -Solid rubber stoppers are easy to insert and remove, making them a convenient option for sealing and unsealing. -Rubber stoppers are and , making them a reliable choice for sealing containers and equipment. -The solid rubber construction of these stoppers provides seal, helping to prevent leaks and spills. Package list: 25 x rubber stoppers