Oasis All-Weather polyethylene bottles are the bottle of choice for outdoor use where exposure to direct sunlight increase the chances of ultra-violet damage. UV causes many plastic bottles to age and crack under exposure. This heavy duty bottle has heavier walls and is more durable than competing models. It is sturdy enough to resist the effects of extreme temperatures. This high quality bottle features a unique translucent "frosted look". The angled cap is complete with vacuum valve drinking tube with stainless steel ball-point tip. This 32 ounce bottle is ideal for rabbits, guinea pigs, ferrets, chinchillas, and prairie dogs. Note:Assorted colors - color will be chosen randomly at time of purchase.