Add on under desk drawer from Stand Up Desk Store. Opened but never installed (it did not fit under my sit/stand desk). can also be installed under a table or standard desk depending on space.

$109 new.

More photos, dimensions and information available here: https://www.amazon.com/Stand-Up-Desk-Store-Under-Desk/dp/B083TGJBYJ?ref_=ast_sto_dp#immersive-view_1764435708199