[Very Smooth and Sturdy Roller] Whether you are a diamond painting art lover or just want to get started, this roller is the right tool for you. With its sturdy construction and hard acrylic construction, diamond painting beads can be easily adhered more firmly to the canvas [Helps the diamond art stick to stay level without the sequins falling off the line] The roller is great for keeping your diamond drawing flat and holding the diamond firmly on the picture [Ideal Size for Adult and Child Size Hands] The scroll wheel is available in two sizes, so make sure you have the perfect proportions for your project. With an ergonomic handle and smooth rollers, this tool is a great addition to your collection [Multi-tool] Suitable for many craft ideas and also for kids who need to put pressure on their craft Size: 15cm Color: transparent Packing list: 1pcs