Costco Wholesale has for its Members: Smart Design Cabinet Storage Extendable Shelf (Set of 4, Gray) for $14.97. Shipping is $2.99.
https://www.costco.com/smart-desi…37200.ht
Includes:
- 2x Large Expandable Shelves (4 Separate Shelves)
Features:
- Expandable when large and medium shelves are used together; Four independent shelves when used separately
- Ideal for kitchen cabinets, pantries, spice racks, craft closets, bathroom cabinets, medicine cabinets
- Double the shelf space
- Fits spaces at least 16" wide and 10" deep
- Medium shelves measure: 16.15"W x 8.9"D x 5.55"H
- Large shevles measure: 16.15"W x 9.85"D x 5.75"H
- Item Set Up size 10" L x16" to 32.5" W x 5.75" H, 5.8 lbs.