STRENGTH - 110 Micron Thickness. Extra Heavy Duty Polythene Bags as supplied to thousands of Builders. Anti burst & slip fabric to perform with any type of rubbish - MULTIPURPOSE - Suitable for Sharp Rock, Heavy Earth, Wet Garden Rubbish, Fine Stone, Building Waste, Large Objects, Dusty Material etc... - SIZE - 50x78cm for up to 25kg of waste. Extra length for top tying or long objects. Wide enough for shovel or hand filling - RECYCLABILITY - Made from over 75% recycled plastic these bags can be recycled again at the end of their lifespan - QUALITY - Tried & tested product direct from the manufacturer. Loved by thousands of customers nationwide.