The stopper replacement set could fit bottles, pots, tubing, etc. Made of PE material, these stoppers visibility and durability. They are suitable for various types of bottles, including , laboratory bottles, and other bottles. Features - Color: Transparent -Material:PE - Size: 2.10X1.00X1.00cm/0.83X0.39X0.39in -Note: fit for mouth diameter ranging from 0.67~0.75 inches -Transparent bottle stoppers, suitable for replacing existing bottle stoppers. -Compatible with salt and pepper , laboratory bottles, etc., providing a versatile solution for various types of containers. -End caps designed for easy handling and convenient to use, can be used easily. -Providing ample quantity of hole stoppers, ensuring long-term usage and replacement options. -Replacement hole plugs, offering a wide range of compatibility with different bottle sizes. Package list: Hole Plugs