Based on this product's specifications, here are some alternatives and similar models
Heat shrink tube CellPack SRH2 95-26, black, 1000 mm length
Summary description:
CellPack SRH2 95-26 is a black heat shrink tube with adhesive lining designed for insulating and protecting cables and joints. Specification: shrink ratio 95→26 (SRH2), tube length 1000 mm. Suitable for sealing, mechanical protection and moisture resistance in electrical, telecom and industrial applications.