The black lined conical screw cap has an 18/400 finish on the neck, perfect for bottles that lack a screw cap.
Insert the cone into the sealing area to create a tight seal to prevent liquid leakage, prevent carbonization and prevent gas .eakage, giving you a good seal and airtight seal.
Made of high-quality urea and polyethylene (PE), it is sturdy and leak-proof when placed on the bottle.
Provides good torque retention, reusable and durable, polyethylene cover will not rust over time.
The black sealing nut features raised ridges around the entire circumference to make gripping and sealing easier.
Description
Specifications:
Material: Plastic
Size: Inner diameter 18mm
Color: Black
Package includes:
24x Black Boston bottle caps