It's the Cheshire Cat from Alice in Wonderland, as imagined in Disney's original animated movie.
This Cheshire Cat costume is a kigurumi onesie designed for adults up to about 6 foot 1 tall. It is officially licensed by Disney and features a stripy pink jumpsuit with the Cheshire Cat's face on the hood including eyes, padded nose and furry details. It also has a large tail at the back of the costume.
Material: The Cheshire Cat kigurumi is made of 100% polyester fleece.
Delivery: Roughly £5 to the UK ; $15 to the USA; and €9 to the EU.
Size: One size. It should fit most adults between 5'5" and 6'1" tall (that's about 166 - 185cm).