Rubber dust cover: Spout covers are made of flexible rubber to protect your liquor from debris, dust, fruit flies, and pests. Size: Each pourer cap measures 1 cm (0.39 inch) in diameter and 5.5 cm (2.16 inches) in length. They fit most liquor bottles and pourers, with or without collars. Tight seal: Provides a secure seal to help prevent spills and keep fruit flies out. Simple and effective solution for maintaining cleanliness. Wide usage: Suitable for wineries, wine clubs, pubs, clubs, restaurants, bars, and coffee shops. Helps bartenders maintain hygiene while pouring. The pourer covers help keep dust, debris, gnats, and ants out of liquor bottles, promoting better sanitation by keeping the pourer clean. Fits most pourers: These rubber pourer covers are compatible with most liquor bottles and pourers, with or without collars. Easy to apply and remove. Color: Black Material: Rubber Package Contents: 48 x Pourer cap covers Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.