5 white 100% cotton strings. Duncan Toys Yo-Yo String [White] - Pack of 5 Cotton String for Plastic, Metal Yo-Yos REPLACEMENT STRING: This is the perfect replacement string for Duncan series of plastic and metal yo-yos. Easy to replace, this 5-pack of replacement cotton string is essential for yo-yo enthusiasts who often wear-out the string due to repeated usage. 100% COTTON STRINGS: There are many types of yo-yo strings but the 100% cotton strings are considered the softest and have impressive resistance to wear tear. Cotton strings like these are least likely to burn or scrape-against the skin. TIME FOR A STRING CHANGE?: Duncan yo-yos come with highly durable parts, including the string. However, continuous use will take a toll. When a string clearly seems to be worn-out or starts to roll very easily on itself, you know it is time for replacing the yo-yo string PRODUCT DETAILS: Pack includes [5] yo-yo replacement strings in a natural color. 100% cotton. /