Profile: Harris & Spilsbury Ltd. is a manufacturers & suppliers of plain & custom printed polythene, polypropylene, plastic bags and film. Our product range available in low density polythene and polypropylene includes wicketted bags, bottom weld bags, side weld bags, skirt side weld bags, plain or printed carrier bags, rigid & hook handles fitted to bags, refuse sacks, gripseal bags and stretchwrap.