Placing of valves is important, this is one idea, 11 chambers.

Notes:
Made of glossy vinyl 0.4mm thickness.
Blue vinyl with no print for the body and wings.
Pink or red vinyl with no print for the floor, bottom part of paws and for ears.
Printed neck and tail chambers only.
11 separate chambers with small valves for: Head, Tail, Floor, Wings, Paws, Body and Seat.