These are handmade arm covers. They are designed to cover the cuffs of your sleeves. They are reversible. Color: Black Material: Cotton Use them in the kitchen, while cleaning, or any time you find your sleeves get in the way during daily life. Elastic opening: 8.5cm Length: Approximately 13cm There is an opening for replacing the elastic on the reverse side. Please replace the elastic if it stretches out. The wrist area is made larger, as you'll likely wear them higher up on your arm than your wrist. If the size doesn't fit, please replace the elastic. These are handmade items created by an amateur, but they are made with care. If they get dirty, please hand wash them. They are also sold at roadside stations and are well-received. Material: Cotton