These class reunion favors personalized stainless steel water water bottles are both useful and lasting. With both a stainless steel outer and Inner, you can be sure that the bottles are BPA free. A wide mouth opening allows you to add lots of ice to it and pour liquids without spilling. The lid screws on and is spill resistant with a split ring attachment. Hand washing is recommended. Water bottles measure 10 inches high and come in silver, white or black as well as metallic: blue, red, gray, teal and green.