multi-layer storage rack

Product Name: It's often referred to as a "Multi-layer reinforced storage rack," "4-tier multifunctional rack," or "Bathroom organizer". 

Features: These racks typically feature multiple tiers for ample storage, are made from durable materials like carbon steel or plastic, and some models offer adjustable shelves or wheels for mobility. 

Uses: They are versatile and can be used to store toiletries in the bathroom, kitchen supplies, or even books and decorations in other rooms.