Features Eco-friendly and Non-toxic: Our heat shrink tubing is eco-friendly, producing no toxic or harmful substances during use, ensuring a safe and healthy environment for your projects. High-Quality Flame Retardant Material: Made of high-quality PE, our shrinkable tubing is flame retardant, soft, and shrinks rapidly, providing reliable defence for your wires and cables. Color-Coded for Easy Identification: The variety of colors in our heat shrink tubes makes wire identification easy, ensuring concise and clear organization of your wiring projects. Ample Quantity: With a total of 670pcs of heat shrink tubes, this set fulfills your basic daily needs for various projects, offering convenience and cost-effectiveness. Versatile Application: Widely used in wire connections, our shrink wrap sleeves are ideal for garages, auto electricians, mechanics, workshops, and more, making it a versatile and essential tool. Specification: Material: PE Quantity*diameter*length*color: 60pcs 1.0mm 38mm red 60pcs 1.5mm 38mm black 50pcs 2.0mm 38mm yellow 50pcs 2.0mm 38mm black 50pcs 2.5mm 38mm red 50pcs 2.5mm 38mm blue 45pcs 3.0mm 38mm black 45pcs 3.0mm 38mm white 30pcs 3.5mm 38mm green 30pcs 3.5mm 38mm blue 40pcs 4.0mm 45mm black 40pcs 4.0mm 45mm red 30pcs 5.0mm 45mm blue 25pcs 6.0mm 45mm green 25pcs 7.0mm 45mm blue 20pcs 10.0mm 45mm black 20pcs 13.0mm 45mm white Weight: 228g / 8oz (approx.) Package list: 1 box * Heat Shrink Tubes Package List