Silicone Memo Wrist Band Measure Ruler Reusable Slap Bracelets Writable Erasable Wearable Strap Line Wristbands for Daily Life Material: Silica gel Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) Package weight: 45g Package size: 23.7x4.6x0.2cm,(Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) Size - The Note-taking Wristbands Measure 237mm X 46mm( L*W ), 2mm Thickness. Can Be Adjusted To Fit Most People's Wrists. The Width Is Sufficient For Recording Most Information. Package Content - 1pcs X Daily Planner Wristbands. . Features - The Memo Wristbands Can Record To-do Lists, Shopping Lists, Etc., Help With Time And Task Management In Daily Life. It Can Remind Oneself At All Times By Firmly Attaching To The Wrist With A Light Tap. The Back Has Clear Metric And English Scales That Can As A Ruler. Application - The Sports Memo Bands Are For Various Groups Including Sports Enthusiasts, Elderly People, Forgetful People, Engineers, Workers, Housewives, Etc. They Are Widely Used In Offices, Outdoors, Homes, And Other Occasions. Material: The Reusable Slap Bracelets Are Made Of Silicone, Which Is Wear-, Soft, Comfortable And , No Need To It When Washing Hands Or Sweating. With Writable Coating, Easily Erasable With An Ordinary Eraser, Making Them Reusable.