Description The items are well made of premium material for durable and practical use. they are easy to use with long service life. Invisible design with exquisite detail makes them practical, you can adjust the size of your ring easily with these string. Feature - Color: White - Material: Silicone - Size: Approx. Thick Round Line (Outside Diameter 5mm, Inside Diameter 2.7mm, String Thick 1.2mm, Length 10cm), Thin Round Line (Outside Diameter 3.5mm, Inside Diameter 1.5mm, String Thick 1mm, Length 10cm), Thin Flat Line (Outside Diameter 4mm, Inside Diameter 1.8mm, String Thick 1.1x2.7mm, Length 10cm), Thick Flat Line (Outside Diameter 4.8mm, Inside Diameter 2.8mm, String Thick 1x2.7mm, Length 10cm), - Made of silicone material, they are soft, you can use them for a long time. - You can use them easily. - Different patterns for your choice - Perfect for woman or man - You will feel very comfortable and have the good skin feeling. Package list: 4 x string