1. Reusable & Refillable Borosilicate Glass Drink Bottle; Saves Plastic Waste & is Free of Bpa, Pvc, Lead, & Cadmium for Safe & Pure Water. 2. Strong & Lightweight, Durable Glass Wont Crack Under Extreme Temperatures; Glass & Silicon Are Diswasher Safe, Eco-friendly Product. 3. Silicon Sleeve Adds Style & Provides Protection From Slips & Falls; Choose From a Variety of Colors. 4. Leak-proof Bamboo Lid with Stainless Steel Metal Insert, Food-grade Silicone