40PCS 5 SIZES STOPPERS: Each sizes contains 8pcs of black silicone bottle stoppers, with inner diameters ranging from 5.5mm to 14mm, providing enough quantity and variety for your daily needs.
5 SIZES: Silicone bottle seal plugs come in 5 different sizes, each with its corresponding inner diameter measurements. Please ensure the stopper size matches your bottle before use.
QUALITY MATERIALS: Made of silicone, these bottle plug stoppers offer good sealing properties, are waterproof and dustproof, elastic, easy to install, and durable for long-term use.
T-SHAPED DESIGN: The black rubber stopper features a T-shaped design for better fitting on smooth surfaces, making it easy to use and preventing accidental fall-offs.
WIDE APPLICATIONS: Use these stoppers as replacements for salt shakers, pepper shakers, flower pots, bottles, pipes, and more, replacing worn-out plastic plugs.