New, unopened. Set of 4. Nylon string for yo-yos, various colors of pink and green. - Colors: Various - Quantity: 4 packs - Application: Yo-yo string Yo-yo specific string, Spin Gear color string, set of 10, approximately 90cm long, 100% polyester (mixed colors) Brand: Spin Gear Material: Polyester Color: Color mix Size: 90cm Target age: Kids Product dimensions: 30 length x 20 width mm This is a yo-yo specific string that can be widely used regardless of whether it's for Hyper Yo-Yos or competitions. Yo-yo specialty store Spin Gear recommends this replacement string specifically for yo-yos. A set of 10, allowing for extended play. Material: 90% polyester, 10% cotton, approximately 90cm long, made in China (White only: 50% cotton, 50% polyester) Strings are consumables. The usage guideline is approximately 30 minutes to 3 hours of continuous use. Early replacement before breakage is recommended. There are individual differences in durability due to the inclusion of natural fibers. Replace when frayed, dirty, or hardened. Thank you for viewing.