This free standing basket shelf unit has 4 tiers with baskets that provide ample space for storage. Each basket has a 21.9" diameter and 8" depth/height, with 5" of clearance between each basket. The entire unit stands at 73.1" tall, for a high visibility display! On the top of this shelf unit is a double sided sign holder, which holds a 10"W x 6"H insert. This basket shelf is portable and mobile, thanks to 4 heavy duty caster wheels. 2 caster wheels lock, which keeps the shelf securely in place when in use. The baskets are made from steel wire and the stand column and base are made from steel. Please note that minor assembly is required. Overall dimensions: 22.5"W x 73.1"H x 22.4"D. Weight: 19 lbs.