Sky Blue Humpback Whale mascot costume character dressed with a Playsuit and Berets from our Humpback Whale mascots. For those looking to add a touch of fun to their next event, our mascot costumes are the ideal solution. With our custom designs, you can create an unforgettable and fun atmosphere that your guests will be talking about long after the event is over. So if you want to create a one-of-a-kind experience at your next event, then our custom mascot costumes are the perfect choice.. The Sky Blue Humpback Whale mascot costume character dressed with a Playsuit and Berets will be perfect for your Humpback Whale events. Many sizes available, premium quality, fully customisable with texts, logos, colors.