Features . Made out of high quality Borosilicate Glass. 55 mm. Opening - Large opening for easy pouring cleaning or to add fruit slices and ice. Top-Rack Dishwasher Safe. Non-Slip Food-Grade Silicone Sleeve with Measurement Lines Included. Go Green - Reusable BPA Free No Leeching of Chemicals Safe for Long-term Storage. Color - Sky Blue. Capacity - 25 fl. oz.