Rubber dust cover: Spout covers are made of flexible rubber, easily protecting your liquor from debris, dust, fruit flies, and pests. Size: Each pourer cap measures approximately 1 cm (0.39 inch) in diameter and 5.5 cm (2.16 inch) in length. Fits liquor bottles and pourers with or without collars. Seal: Features a secure seal to prevent accidental spills and keep fruit flies out. Helps maintain cleanliness and hygiene by covering the pourer. Wide usage: Suitable for wineries, wine clubs, pubs, restaurants, coffee shops, and other beverage service environments. Ideal for bartenders to help pour and store drinks cleanly. Function: These pourer covers keep dust, debris, gnats, and ants out of liquor bottles, helping to solve fruit fly issues and promote sanitation. Compatibility: These rubber pour covers fit standard liquor bottles and pourers, with or without collars. Easy to apply and remove. Color: Black Material: Rubber Package Contents: 48 x Pour cap covers Note: Light and display settings may cause slight color variations. Measurement allowance is +/- 1-3 cm.