Glass doesn't leach, stain or smell! Protective silicone boot. Friction fit lid with real wood accent. All parts are BPA free. Tumbler is top rack dishwasher safe, hand wash lid recommended. SMOOTHIE APPROVED. Whether you drink smoothies, iced tea, juices, or water, everything tastes better in glass! The Ello Devon 18oz glass tumbler with straw is designed for enjoying your favorite beverage on-the-go. A silicone sleeve provides a no-slip grip, reduces condensation and protects tabletops. Devon's friction fit real wood lid prevents splashes for on-the-go. CARE & USE INSTRUCTIONS Glass is a fragile material and may break upon impact. Please use appropriate caution. Wash before use. Tumbler and straw are dishwasher safe. Hand wash lid. No need to remove silicone boot for cleaning. Do not microwave. Do not freeze or leave in your car in freezing weather. Not designed for use with hot or carbonated beverages. Do not use cleaners containing bleach, chlorine, abrasives and/or other harsh chemicals. If your tumbler breaks or cracks, dispose of immediately.