Are you looking for a professional and practical caulking sealant tube? , ! Our product must meet you needs. It is made of plastic material, durable and sturdy for use. Fine workmanship ensures its practicality and durability. Features -Color:White -Material: Reusable plastic -Size: 33.00X4.60X4.60cm/12.97X1.81X1.81in -Capacity: 300ml -Instructions: After the construction is completed, unscrew the nozzle, find a chopstick or iron rod, and insert it from the front end to push out the bottom piston. Then, use a cloth dipped in alcohol to clean out most of the material inside to facilitate the next use. Before the next use, knock the solidified material on the inner wall of the glue tube a few times with a stick to . -Note: Place the glue bottle upright on a flat surface and push out the inner plug until the bottom piston comes out. Method for Pushing Out the Bottom Piston (With the help of a chopstick or iron rod) -Applications:AB real porcelain adhesive application, Epoxy colored sand application, Glass adhesive filling, Cosmetic adhesive filling, Sealing agent application, Industrial production, etc. - This empty tube can be used with most types of sealants, silicone, resins, etc - Works great to help you to repair and fill cracks and leaks at bathroom, kitchen, laundry room and more - Suitable size design, easy and comfortable to hold and operate, give you more flexibility - It is simple and practical in use, give you a pleasant using experience - With fine workmanship, it is durable and not easy to break, and provide a long serving time Package list: 12 x Caulking Sealant Tubes