Boroux Spectrum Glass Water Bottle .5 liters- Protective Silikote Technology Adhered to Eco Friendly BPA Free Pure Borosilicate Glass. Perfect for Essential Oils, Juicing, & Smoothies The wide mouth is ice cube friendly, measuring just over 2.25 inches wide, and allows for easy dishwasher cleaning. The no leak lid allows you to worry about more important things than leakage. If you are worried about durability and everyday usage, the Boroux bottle&#039;s thick bottom combined with the silikote protection has you covered. The size is extremely convenient, holding 16.9 ounces of water, and measuring just over 2.5 inches in diameter. When full the bottle is not too heavy and fits nicely in your hand and in most cup holders!