15.7-Inch Antistatic And Dust-Free Pvc Antistatic Backpack Clean Room EngineerS Tool Bag Computer Bag Load-Bearing 20Kg Electrostatic Resistance Bag

    The size of antistatic dust-free backpack: 40cm * 35 * 20cm, the main fabric is 30s mesh + a layer of 40seva material, the big back strap is also 30s mesh + imitation sheepskin with 4mm thick pearl cotton inside, and it is reinforced with square fork and herringbone pattern. The strap is 2.5cm wide mesh and double-layer thickened webbing. It is also reinforced with square fork and herringbone pattern. There is a hook on the side to facilitate hanging the hat. The size of the anti-static dust-free backpack is 40CM3520CM. The front and back pieces are made of large fabric. The large zipper and the sole are made of 80S thickened 1CM large mesh. The PVC mesh can resist static electricity for 8 to 9 timesThe main bag is a No. 5 large zipper with a length of 74CM and two metal electric white pullers.The front pocket material is a 55S large grid, with dimensions of 20CM in length and 28CM in height. The No. 5 zipper has a metal pull TAB.The front large bag is made of 55S large checkered material, with dimensions of 29CM in length, 30CM in height and 5CM in width. It features a 68CM No. 5 black zipper with two metal pull tabs.There are two inner bags in the main bag. One is a 1735 inner bag, 1740CM with two folded lines, providing a larger capacity.There is a handle on the back that is 2.5CM wide and 22CM long.The large shoulder strap is also composed of 2 pieces of 55S mesh +2 pieces of 1200D white Oxford fabric + 4MM thick pearl cotton, and is reinforced with square crosses and herringbone patterns.The small shoulder strap is a double-layer thickened 2.5CM wide grid and webbing, with square crosses and herringbone patterns for reinforcement. There is a hook on the side for convenient hat hanging.