The package contains 656 pcs x insulation Features -Color: Assorted heat shrink tubing cable shrink shrink tape shrink sleeve colored heat shrink tubing electrical shrink shrink cable connectors heat shrink tubing heat shrink tubing kit electrical heat shrink tubing shrink. -Material: Composite -heat shrink tubing. -Size: Power cable sheath - - and flame retardant power cable sheath. -These insulations can be used in various scenarios Flame retardant. -With its extraordinary durability, this product can serve you well for many years to come Insulation. -For electricians, this set would be indispensable electrical heat shrink tubing heat shrink tubing colored tape colored tape cable shrink shrink shrink sleeve shrink cable protection heat shrink tubing cable protection colored tape heat shrink tubing cable. -We designed and manufactured it with the aim of using heat shrink tubing for a long time. Product description cable shrink With its extraordinary durability, this product can serve you well for many years to come. heat shrink tubing These insulations are flame retardant and can be used in various scenarios. Flame retardant For electricians, this set would be indispensable. shrink sleeve We designed and manufactured it with the aim of using for a long time.