Construction waste bag blue/black professional coex 125 Liter 25 bags / roll This is the professional's choice. Can handle the most demanding applications. These blue extra strong plastic bags are extra strong, you avoid to a greater extent that there is a hole in the bag and that the waste runs out. Technical information Volume: 125 liters Thickness: 0.05mm Number of bags: 25 pieces Extra strong plastic bags for heavier waste.