General description Rubble sacks, also known as builders sacks, are the most popular bags used in the building, landscaping, and construction industry. They provide a clean and efficient way of cleaning debris and safely disposing of waste. Additionally, these bags can be used for transporting materials to projects and around sites. Technical specifications Measurements: Black: 20" x 30" / 500mm x 750mm - 500 Gauge *120MU Measurements: Grey: 22" x 34" / 558mm x 863mm - 520 Gauge *130MU Measurements: Blue: 20" x 30" / 500mm x 750mm - 480 Gauge *120MU Excellent tear resistance for sharp and heavy objects. Other information