Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you! Silicone Sealant Tool: This is a useful tool for smoothing out seal lines and seal lines, which helps save caulk without masking tape when you use it for repair work. sealing Flexible and durable material: The sealing tools are made of good quality soft silicone, which is durable and has a long service life. Each package contains 4 different shaped red chew tools Multiple Edges: The sealing tools provide more than 15 different edges, it can meet your needs in sealing work when you seal the different places and angles Reusable: This sealing tool can be used many times and is suitable for all edges, corners and joints. Easy to clean, just clean it with a damp cloth and apply it next time Wide Application: This sealant tool is suitable for most types of sealants such as crafts or silicone sealant, acrylic, resin, gaskets and more