These cone-shaped screw caps feature a 24 thread neck finish, perfect for bottles that lack a screw cap. Insert the cone into the sealing area to create a tight seal, preventing liquids from leaking out, and providing a good seal. Made of PP plastic, they are sturdy and leak-proof when placed on the bottle. Provides good torque retention, reusable, durable plastic caps that won't rust over time. The clear cap is raised around the entire circumference to make gripping and sealing easier. Colour:As Shown Material:plastic Package Contents: 1 set x plastic bottle caps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.