Super Slim Silicon Fly box Waterproof two sizes: 188x102x15mm（100 pcs/carton 450x390x260mm of 15.9KG）; 137x95x16mm(120pcs/carton 415x295x310mm of 13.8kg) Super transparent ABS lid, clear see through and strong. Quality EAV foams last for long time use. pads hold not only flies, but also any tinny item. never worry about “Blow in the wind”. Easy grip foam design are with quality foam cutting. A ideal for dry flies and most flies, for bead heads and wet flies.