56Pcs Black Plastic Screw Caps with Foam Liner 4 Style 18mm/24mm/28mm Flat Round Bottle Jug Storage Cap Lids for Jars and Bottles with Threads Package Includes: 56 pieces of 4 sizes of plastic threaded caps, each with foam liner, multiple size s for more convenience when using. Size Reference: There are four sizes, which are: approx. 20x15.5mm, inner diameter: 18mm; approx. 22x15mm, inner diameter: 18mm; approx. 27x17mm, inner diameter: 24mm; approx. 30.5x17mm, inner diameter: 28mm. Liner Design: The foam liner inside each cap is a universal liner that is compatible with most products. Simple Twist: The outer surface of each lid is textured for added grip when opening and closing. Please Note: Please check the fitment of the size before use and feel free to contact us with any questions in use.