Mediball Classic Series 55cm - Blue - Bunnings Australia
Swiss Balls 55cm Anti Burst - One Stop Sensory Shop
Gofiit Proball Blue 55cm Stability Ball | MYER
TheraBand Exercise Ball, Stability Ball with 55 cm Diameter for Athletes 5'1" to 5'6" Tall, Standard Fitness Ball for Posture, Balance, Yoga, Pilates, Core, & Rehab, Red : Amazon.com.au: Sports, Fitness &