Wood target frame with hooks to hang on strap mounted to target stand, Cardboard is held on by wood strips on top and bottom and the strips are held in place with screws. Cardboard gets replaced when I can't staple a target to it. I have 6 frames for 25, 50 and 100 yard target stands and have only had to rebuild one frame in the last 5 years. I was a little off at 100 yards with my 45 pistol and my 91/30 Mosin Nagant so I messed up the top board of the target frame. All it costs me is cardboard and I get that for free everytime I buy something big.
Good intentions will always be pleaded for any assumption of power. The Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern will, but they mean to govern. They promise to be good masters, but they mean to be masters.