Material: this item includes 2 blue sealant tools in different shapes; They are made of flexible plastic with good quality, which is durable and have a long lifetime Different edges: these caulking tools provide more than 10 different edges, it can meet your needs in sealing work when you seal the different places and angles Useful sealing tools: it's a useful tool for smoothing sealing lines and caulking lines, which helps save sealant without masking tape when you apply it for sealing work Re-usability: the caulking tools are reusable and good for any edge, corners, joints; Tidy up easily, just clean them with a damp cloth and convenient to apply next time Wide application: the caulking tool is suitable for most types of sealant such as DIY crafts or floor silicone sealant, silicone, acrylic, resin, grout and more