Designer: Tord Boontje & Emma Woffenden for Artecnica. Modern glassware. These tumblers are made of recycled glass and is part of the transglass collection. The tranSglass series is a collection of glassware made from recycled wine and beer bottles designed by Tord Boontje and Emma Woffenden. Since its launch, tranSglass® has become one of Artecnica"s best-selling items. With its recycled origins and sleek, fluid design, tranSglass® conveys a positive attitude towards the environment, affirmed as an Artecnica Design with Conscience project. THE TRANSGLASS TUMBLERS COMES AS A SET OF 4! Due to the recycled and handcrafted nature, products will vary slightly in size, appearance and color. Colors are pre-assorted in shades of green, clear and brown by the artisans only. Materials: Recycled Glass wine bottles. Options/Finishes: Only Polished available at this time. Dimensions: Tumbler - Dia 3.125", H 3" (set of 4) Two hole vase - Dia 3", H 8.5" Vase 1 - Dia 3", H 9.5"