Vivaldi Rock Tumblers by Strahl

Triple Glazed Polycarbonate

Stahl is made from polycarbonate, which requires slightly different handling to standard glassware.
Strahl is recommended for use with cold or room temperature drinks and food. 
Dishwasher safe in both standard and commercial dishwasher systems on low or high temperatures. They products are fridge and freezer safe, perfect for desserts and frozen drinks. 
Please note, the following aniseed-based drinks should not be used with polycarbonate beverageware as they can cause permanent damage.: Pernod, Anis, Richard, Raki and Ouzo. Additionally milky drinks may leave a residue if the beverage is not cleaned with warm soapy water.
Avoid stacking Strahl product while carrying or storing as they may scratch if they rub together. Except the CapellaStack range, which is designed for stacking.
Wash Strahl in the dishwasher or by hand with warm soapy water to remove residues from juice, milk, stout etc. Washing in a steriliser can result in a build-up of residue.
Avoid cleaning the products with abrasive brushes which may scratch. Buffing with a microfibre glass polishing cloth will remove light scratches and abrasions. 

Not sold in the orignial packaging.