PRO-MART DAZZ Expandable Kitchen Storage Helper Shelf, White Expandable shelves can extend from 16 to 32.5 inches long Provides maximum space for your cabinets or counters; can be detached and used separately Sturdy steel wire frame coated with white rust proof finish Rubber stoppers provide stability and prevents sliding Dimensions: 16 to 32.5 x 10 x 5.25 inches (L x W x H)