Functional tool: Our open caulking tube has a good sealing effect, which can keep your sealant fresh and prevent air and moisture from entering the caulking tube or bottle.Easy to use: just put the rolled bottle cap on the opened caulking tube or the tip of the bottle, and the tube can be sealed tightly, which is time-saving and convenientSave money: We provide you with convenient and flexible solutions to keep your caulks and glues fresh and clean, reusable, and can extend their service life while saving you a lot of moneyVersatility: These caulk sealants are suitable for almost all sizes of caulking tubes, plastic bottles, adhesives or any other items on your shelf, and are versatile enough to be used in your lifeQuantity: You will get a total of 20 red caulking cap, which provide a cheap and durable way of repeated use. They are made of high-quality latex materials and can be used for multiple purposesSize:5.3*1cm/2.09*0.39inchPackage list:20*Caulking capNote:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.