Diameter: 5". Thickness: 3.3". Opening: 2".This 5" wall terrarium can be used in a variety of ways to display decorative items, sand art, cut flowers and even grow live plants in. This wall terrarium is also the perfect environment for growing Tillandsias, commonly referred to as air plants. This vase is hand-blown and may exhibit bubbles or other small marks that are often considered desirable traits of hand-blown glass. Glass only included. All other items are for demonstration purposes and are not included.