Specifications: Made of high quality PE, this tube is environmental. 328 pieces of tube of 8 sizes, they will meet your need. This product has a 2:1 shrink ratio. Type: Heat Shrink Tubing Quantity: 328 Pcs Material: PE Size of 328pcs Details: 120pcs 0.1cm(Internal Diameter) x 4cm(Length) (Approx.) 60pcs 0.2cm(Internal Diameter) x 4cm(Length) (Approx.) 40pcs 0.3cm(Internal Diameter) x 4cm(Length) (Approx.) 32pcs 0.4cm(Internal Diameter) x 4cm(Length) (Approx.) 24pcs 0.6cm(Internal Diameter) x 4cm(Length) (Approx.) 20pcs 0.8cm(Internal Diameter) x 8cm(Length) (Approx.) 16pcs 1cm(Internal Diameter) x 8cm(Length) (Approx.) 16pcs 1.4cm(Internal Diameter) x 8cm(Length) (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x 328Pcs Heat Shrink Tubing (Total 8 Sizes)