Features: ABOUT PACKAGE: 4Pcs universal kayak drain plugs with lanyards, and each come with a lanyard for easily use and handling, to help you stay dry while paddling. SIZE: Scupper plugs for kayak is about 1.57inches in diameter and the bottom end is about 0.78inches in diameter, fits kayak drain holes from 3/4 to 1.57inches. MATERIAL: Kayak scupper plugs is made of silicone material, strong enough not to worry about rotting when submerge in water. Effectively prevents water intrusion into the kayak. MULTIPURPOSE: Kayak plugs are compatible for most kayaks and each punch hole plug is lightweight, small and comes with a lanyard for easily portability. EASILY INSTALLATION: The kayak punch plug is easily to install on your kayak. The lanyard design of the punches plug allows you to easily pulling it out and replace it. Specifications: Material: Silicone Color: As The Picture Shows Package Weight: approx.130g Height: approx.38mm/1.49in (More Size Detail, Please See Photo.) Package Includes: 4Pcs Kayak Scupper Plug note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!