Based on this product's specifications, here are some alternatives and similar models
Heat shrink adhesive tube MACLEAN MCTV-541 12.7 mm × 5 m
Summary description:
Heat shrink adhesive tube MACLEAN MCTV-541, 12.7 mm diameter before shrinking, 5 m length. Self-sealing tube with inner adhesive layer designed to provide mechanical protection, insulation and moisture sealing for cable joints and terminals. Suitable for electrical insulation, cable repair and strain relief in household and industrial wiring applications.