VELCRO Brand 5 Ft x 3/4 In | White Tape Roll with Adhesive | Cut Strips to Length | Sticky Back Hook and Loop Fasteners | Perfect for Home, Office or Classroom

Velcro sticky back tape. I cut two strips about about two inches long and then center them on the back of the top loader. Its technically 4 pieces for the velcro. I put two pieces on the wall, two pieces on back of a top loader and I space them out evenly. Then you just have to slightly press it down for it to stick so need to be a bit delicate. To remove, you also have to be careful since there is some give to the top loader. Maybe there are harder shells out there but I turn it counter clock wise and back to sort of jiggle it loose and then pull it off slowly. Edit: Tape I use - https://a.co/d/07E7QSrQ