1) they are clear so you can see what is in them. Those giant black totes at Costco are a black hole.
2) the lids interlock so they can be stacked high and remain stable.
3) 17gal is the perfect size so you can lift them once they are filed.
4) ideal width for those large metal shelfs -- 4 bins per shelf fit perfectly.
https://www.homedepot.c