stackable

/ˈstækəbəl/
adjective
  1. Designed to be placed on top of another item of the same type without falling.
    • I bought stackable storage bins for my closet.
    • These stackable chairs save a lot of space in the garage.
    • The cups are stackable, so they fit neatly in the cabinet.
Synonyms
What does "stackable" mean? | whatsthatwordmean | whatsthatwordmean