1 inch 3:1 Waterproof Heat Shrink Tubing Kit, Large Marine Dual Wall Adhesive Shrinkable Wire Wrap Tube, Insulation Sealing Wear-Resistant Cable Protector by YUKSY (4ft, Black): Amazon.co.uk: DIY & Tools
Jhg Good Quality Environmentally Friendly Tear Resistant Shrink Film Shrink Wrap Film Heat Barrier Shrink Film Manufacturer Customize POF China - China POF Bag, Wrapping Film | Made-in-China.com
CED HSB250B Black Heat Shrink Tubing 6.4mm x 7.5m - Screwfix