The Lezyne Tubeless Pro Plugs are the most reliable solution for repairing a tubeless bike tire tread at home or in a workshop. These innovative mushroom plugs fill the hole and seal the puncture from the tire maximizing the life of your tire. You can be sure that your repair will hold up even under the most extreme conditions so you can keep riding worry-free.Includes three sizes of plugs: two 3mm two 3.5mm and two 4.5mm plugsTwo abrasive pads and two rubber cement tubes to ensure a secure sealWeight: 4.5gReplenishing plugs used in the Pro Tubeless Kit