[Wall Mount Spice Rack]: Each rack can hold 16pcs 4oz spice jar (1.75”), 5pcs 9oz small food storage containers (2.55"), 5pcs oz spice jars (2.56"), 3pcs envelopes of spices (3.3"x5.5"). [Hanging Spice Rack]: This rack can be mounted inside a cupboard door (requires small screws, not ), under the cabinet, on a wall, or it can just rest on the counter or over the stove.