Calzette Large Heavy Duty Rubble Sacks Bags - Garden Waste Strong Bin Bag for Builders Gardening 100μm for Household - Garden - DIY – BuildersSTRONG AND LEAKPROOF 100 microns bags can hold OVER 20kg of soil, rubbish, rubble, grass, sand or other heavy materials. Our refuse sacks are made from strong waterproof durable plastic to avoid leakage. It can hold over 20kg but it will be very heavy bag so for your safety we recommend using max 20kg IDEAL SIZE 50cm x 70cm (20" x 28") with flat top and 100cm Rim Opening if you want to close it we recommend buying anti tamper seal string. Easy to move