You can try -
Link hidden: Login to view
The suppliers below carry Sterilite products as well, however, I did not find what you're looking for in particular on their sites but if you want to contact them to see if they can get it for you, here are their URLs -
Link hidden: Login to view
Link hidden: Login to view
Link hidden: Login to view
You also have an option of contacting Sterilite directly to inquire how you could carry their products, for more info, check out -
Link hidden: Login to view
All the best!