40PCS 5 SIZES STOPPERS: You will receive 40pcs black silicone bottle stopper in 5 different sizes, about 5.5mm~14mm in inner diameter, each sizes contains 8pcs, quantity and size enough to meet your daily need 5 SIZES: Silicone bottle seal plugs are in 5 sizes, about 9x8.5mm, 11x10mm, 13.5x12mm, 15.5x12mm, 18x12.5mm, the corresponding inner diameter is 5.5mm, 8.3mm, 10.5mm, 12.5mm, 14mm. Please check the size of your bottle and the size of the stopper before use QUALITY MATERIALS: Bottle plug stopper made of silicone, good sealing of waterproof and dustproof, elastic, easy to install, can be used for a long time. T-SHAPED DESIGN: Black rubber stopper can better fit the smooth surface, easy to use and not easy to fall off WIDE APPLICATIONS: Use these salt shaker stopper replacements in salt and pepper shakers, flower pots, bottles, pipes, etc., to replace the plastic plugs that have been deformed and worn out before