Box for Phone

Hi i design this box for my phone to keep it save in work because i work in difrent enviroment. And i don't want to destroy it because it was expensive i post photos what i use for infill. I use Anti-slip Pads from "Action" it was the best for it because it soft and have glue on it you need to messure it and only cut that much how you want. I use two boxes it was 8 Pads and i still have some leftovers. I hope it will be helpfull for you.