Amazon.com - Amazon Basics Stackable Metal Kitchen Storage Shelves, Set of 2 - White, 12.5" L x 8" D x 4.5" H
Modular Stacking Shelves
31" Stackable Shelf - Room Essentials™ : Target
Amazon.com: WOSOVO Set of 2 Kitchen Cabinet Organizer and Storage Shelves Stackable Expandable Storage Racks with Anti-slip Liners for Cabinet Pantry, Silver : Home & Kitchen