The Mixing Tonic Set is part of the new Mixing Set series, for those who enjoy creating and mixing their own cocktails at home. This Set includes a practical and elegant tumbler for your gin and tonic creations. The design is based on the popular "˜O' stemless series designed by Maximilian J. Riedel, with optical blown glass that enhances its look. Each Set contains cocktail recipes designed specially for RIEDEL by Mieke Zimmerman, an up-and-coming German mixologist. This pack contains four glasses. Machine-made and dishwasher safe.