Define (Mini-Blue) Comes in White, Pink, and Blue. A more compact version of the Define Bottle for those looking for less weight and less bulk than the larger versions This bottle holds about 7 ounces and is perfect for the car or carry bag. The strainer piece is built into the flip top for this model. his bottle is also great for young kids and we all know good health starts early. Getting your children to develop healthy eating habits at a young age will pay off through out their lifetime. We developed this edition to help promote good health in children over the age of 3 and provide an alternative to soda and juice that kids will really like. The first of its kind, this bottle is ideal for children who have graduated from a valve type sippy cup.