Based on this product's specifications, here are some alternatives and similar models
Heat-shrink tubing CellPack 203677, 10 m length, single pack
Summary description:
CellPack 203677 is a heat-shrink tubing supplied as a 10 m single-pack roll. Designed for insulation, strain relief and protection of wiring joints and cable terminations, this heat-shrink tube provides a protective sleeve for electrical connections in installations, repairs and cable routing in residential and industrial applications.