Check out this great design from cafepress Duck KOR Water Bottle
Duck KOR Water Bottle. this sweet little female duck was swimming along the river and swam right up to my feet with her ducklings. Product Information This eco-friendly, ergonomic, BPA-free water bottle is a stylish and durable way to hydrate all day. The large spout is wide enough for ice cubes but small enough to minimize splashing. A customizable message built into the lid provides inspiration with each sip. Stylish to keep on your desk and durable enough for the gym. 750 ml capacity Toxin and BPA-free Protected drinking spout Push button operation with safety latch Removable cap for easy cleaning Comes in Metro Blue or Fuschia