... coverDescription: HDPE (High density Polyethylene), textile strengthened with 10×10 threads per square inch, 128g/m2 ... sizes, after sewing), Weight: minimum 255g/piece, with 5cm wide polyester straps sewed aroun the bag, the ... inside, upper part of the bag with an opening of 130cm, with 16.5×5cm velcro closure in ... the middle of the opening at the top, ...