Zeekio Yo-Yo String - 100% Polyester - STANDARD Strings - 100 Pack(BLACK)

This string is PREMIUM 100% Polyester, Standard and comes in a 100 pack.About Yo-Yo StringMaterial:Yo-yo string is usually made of 3 materials (either a single material or a blend):● Cotton:● Polyester: Longer lasting than Cotton.● Nylon: Longer lasting and stiffer than Polyester.100% Cotton is basic yo-yo string.Slick is a blend of 50% Cotton and 50% Polyester or Nylon. Slick is a bit heavier than 100% Cotton and is more durable.100% Polyester string is a bit heavier and a bit more flexible than Slick. It is more durable and both Slick and Cotton.100% Nylon is slightly stiffer than Polyester and is more durable. It really flows through the air so for slack, whip, or suicide tricks the loops created stay open and move fast.Type (Thickness)Yo-yo string also comes in different thicknesses. The Type is determined by the number of threads used to create the string.Our Types Include:Type 6 - ThinType 7-8 – Your standard weightType 8-9 – FatType 10-12 - Super FatLength:Our string comes in 2 lengths:● Standard Long - Measures 43-45”● Extra Long - Measures 50”Maintenance:Yo-yo string should be changed periodically. Manufacturers generally recommend changing the string after about 30 minutes of play time. Your string may last longer but be sure to check for fraying periodically. If the string becomes frayed change immediately! Nobody wants a yo-yo turned into an untethered and dangerous projectile!.Notes:Non-bearing yo-yos will wear out the string quicker.Warning:Nylon string is not recommended for looping yo-yos because the fast looping movement can cause it to melt!