Yoyo King Pro 25 Pack of Neon Green 100 Percent Poly / Polyester Yoyo Strings Top quality pro yoyo string. 100 percent polyester string is great for traditional or unresponsive yoyoing. 100 percent poly string lasts longer than standard cotton string, plays smoother. Change your yoyo strings often for best performance! Strings wear out over time. Always keep fresh strings on your yoyos. Also includes Yoyo King sticker with the strings. Neon green color looks awesome, makes it easier for audience to see your yo-yo tricks.