The suction cups did not stick to the shower glass for which they were intended, the glass is not totally flat, so this is probably my error, however, even on flat ceramic tile, only one suction cup would stick. Well balance. So if we?re the same shoe size but you have wide feet this will not work. They literally just forgot to drill the holes [See images]. I did it myself and the only concern I had was being sure not to let each shelf "hang free" after one side was attached (stressing the wood and the screws. High treble though. There is noticeable rubbing in the heel but thats to be expected with Dr. The footbed doesnt seem especially wide. 5 as they are just a little bit snug at the end of my toes. We have only gone on a couple rides but so far he seems to love it.