SONGMICS 11.8 Inches Small Folding Storage Ottoman Cube, Storage Footrest, Foot Rest Stool, for Living Room, Bedroom, Dorm, Dark Gray ULSF028G01

This is similar to what I have, they also make bigger ones. https://www.amazon.com/SONGMICS-Folding-Storage-Ottoman-ULSF028G01/dp/B09ZY77T8D/ref=mp_s_a_1_7