Perfect for any little boy, the b.box sippy cup cobalt is lovely blue colour, and an excellent choice for kids on the go. The b.box sippy cup is a great way to encourage independent drinking skills, as it has a range of easy to use features, that will benefit kids. With the innovative weighted straw, little ones can drink at any angle, while the easy-drip handles mean kids can hold it securely, and the flip-top lid is simple to use. The cup is also leak proof, even when tilted, making it perfect for taking on car trips or out an about. The b.box sippy cup cobalt is a fantastic, easy way to help tots transition from bottle to cup.