Glass Core Water Bottle *Color: Gray *Material: Glass *Product Type: Water Bottle *BPA Free: Yes *Capacity: 16 oz. *Dishwasher Safe: Yes *Microwave Safe: No *Glass core bottle is the perfect balance of health, style, and durability* Fill them with your favorite hot or cold beverages and enjoy the flavors in their crispest form-fresh from this pure borosilicate glass bottle* Glass, thread-free mouthpiece will not hold flavors-freeing you to switch between beverages* The strong, triangular tessellation found on the silicone pads protects the bottle from bumps and drops* Take your bottle everywhere without the worry of spilling it* 1/4-turn locking cap system is leak-proof and worry free *Discovery SUP