Disney Minnie Mouse Child's 40-55 Lbs. Life Swim Vest (Medium/Large) Help build confidence in young swimmers with the The Disney Minnie Mouse Child's Life Swim Vest. The Minnie Mouse Vest is made of soft fabric and is safe, sturdy and fun for children! The Disney Swim Vest is designed for children between 40-55 lbs. Swim Vest features a zippered front, adjustable leg strap and is fast drying.