-Use as a 5-tier rack connect 2 racks and divide into 2 independent racks -Extendable and stackable storage shelf suits different various needs -The storage rack can be stretched from 19.5" to 30"/50-76 cm -5-tier storage shelf provides ample space for daily supplies -13-position adjustable shelves fit items of different sizes -Foldable metal frame and slot design for easy assembly -Sturdy metal frame is not easy to wobble or deform -Reinforced back bracket for enhanced support -Securely attach