Aquasana Premium Borosilicate Glass Bottle with Designer Silicone Sleeve and BPA Free Lid with Stainless Steel Cover, 550ml, Glacier Beautiful Borosilicate Glass - scientifically constructed, this glass is designed to be scratch, impact, stain-resistant, and long-lasting Designer Silicone Sleeves -the stylish, ergonomic sleeve adds durability and provides a non-slip grip - personalize your drinking experience by choosing your favorite color. Slim design fits in most car cup holders Borosilicate glass is non porous; will not retain flavors, odors, or stains from beverages - filtered water, juice, or kombucha, drink 100% worry free Go Green & Save - filter at home, bottle your own, and take it to go - save hundreds of dollars on plastic water bottles and stay eco-friendly. Entice yourself to drink more water! Bottle and sleeve are dishwasher safe Leak-Proof Solid Core Lid - stainless steel cover over BPA free lid with a rubber o-ring for a scratch-free, water-tight seal that won't damage your glass bottle over time. Lid is handwash only