If your child is a fan of the classic Nickelodeon series known as Blue's Clues, featuring the dog known as Blue and the host who invites the audience to find clues with them in an interactive setting, they're going to love this merch! The pajama set-top features Blue with the phrase "Smile With Blue!" The shorts feature an all-over pattern of Blue and different fun shapes. The pajama shorts contain an elastic waistband that fits every fan, and the whole pajama set is 100% polyester. They're great for your little one to curl up in and dream of finding clues with Blue and the gang!