These caulking tubes are made of safe plastic materials and are very strong for long time using. Perfect for home DIY projects and repairs where you want to mix your own caulk, create custom colors, or use commercial products without a dispenser. It can be reused and refillable, satisfy your needs better. Features -Color:White. -Material:Plastic. -Size:33.00X4.60X4.60cm/12.97X1.81X1.81in. - These caulking tubes work well on rough or uneven tile surfaces and corners, even on tile or tile joints. - Caulking tools help you repair gaps. Easy to take and use, it is a good helper for your daily use. - Made of safe plastic material, very durable and wear-resistant for long time to use. - The caulking tube is lightweight in design, simple in appearance and practical, and easy to use. - It can be used with most types of sealants, silicones, resins, joints, etc., will not leak easily.Package: 4 x caulk tubes