Boo-boos, owes no matter what you call them, if you have a little one you know that minor mishaps are bound to happen. For over 30 years, Stephan Baby's ingenious and multi-award winning Boo-Bonnie has been comforting and soothing baby's tiny bumps, bruises and sore spots and making tears disappear. The concept is simple: each soft plush bonnie is designed to wrap around the sides of the frozen 1-1/4 x 1-1/4 x 1-1/4" Boo-Cube providing softness and comfort while gently applying diffused cold to the boo-boo. Each set includes one Boo-Bonnie and one Boo-Cube. Boo-Cubes are 100% bisphenol-free plastic and arrive pre-filled with distilled water; simply pop the Boo-Cube in the fridge or freezer until it's needed. Boo-Bunnies are 100% polyester plush and are machine washable and machine dryable. So, whether it's a boy or it's a girl, Stephan Baby's Boo-Bonnie is sure to become one of any new mom's must-have items.