The phrase "convenient storage" refers to a place or system that makes it easy and handy to keep things in an organized way for easy access and use whenever needed. Full definition
There are pockets on the sides for convenient storage of any baby supplies you might need, especially for a late night feeding. (welcomeparenthood.com)
Open shelving creates convenient storage spaces for items that are used often. (decor4all.com)
Baking zone • DO outfit the baking zone with convenient storage for staples like flour and sugar, as well as for serving trays and baking sheets. (styleathome.com)