Material: This patchwork ruler gripper made of and PVC material, which is strong and for long time use. Convenient to Use: Suction Cups Ruler Handle with Non Slip Double Suction Cup, which has strong adsorption, can easily move ruler and securely hold quilting ruler in place. Portable: The suction ruler tool measures 18*7.8cm in size, with a suction cup of 4cm in diameter (minimum suction range of 5*5cm), making it versatile for various tasks. Handheld Sewing Ruler Handle is lightweight and portable, making it convenient for carrying and storage. Great Gifts: The Quilting Ruler Grip Handle is great gift for designers, pattern maker, dressmaker and tailor. This tool set is a must-have addition to your crafting supplies. Wide Application: A multifunction tool for quilting, sewing, patchwork, templates, and handmade crafting projects. Specification: Material: PP Size Chart: 18cmx7.8cm/7.09inchx3.07inch 4cm/1.57inch Package Includes: 1 PieceDouble Suction Cup Ruler Handle 30 PiecesAntislip Pad Note: Please allow slightly errors 1-2cm differences due to manual measurement.