if you dont keep them flat they go silly, and that mouse thing pad thing in the middle is ■■■, if you spill beer on them smoke comes out of the fan 
they are useless as steps for reaching reaching stuff on hgh shelfs as well
if you dont keep them flat they go silly, and that mouse thing pad thing in the middle is ■■■, if you spill beer on them smoke comes out of the fan
they are useless as steps for reaching reaching stuff on hgh shelfs as well