GoFit Ultimate Burst Resistant Core Stability Ball with Workout DVD (65 cm)

Most of these exercise balls are all the same, but I found this one to be a pretty good quality piece of equipment. It was easy to inflate and, beyond that, it was easy to inflate to full capacity. It's so annoying when you can't inflate balls all the way and they sag when you use them
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Ironman 65cm Deluxe Stability Ball (Charcoal)

The Ironman 65-Centimeter Deluxe Stability Ball is designed to be used in a variety of strength, balance, core training, flexibility and rehabilitation exercises. Its proper use is intended to improve your posture, balance and flexibility as well as trim your hips, thighs, and abdomen. The 65-centimeter ball is charcoal in color and fits a person five feet, seven inches to six feet tall.

Spalding 63-249 Spalding NBA Street Basketball (Official Size)

Take it to the streets with Spalding's officially sized and affordably priced NBA Street basketball. It's designed to withstand the street game with a durable outdoor rubber cover. It features deep, black channels for expert handling on the court and all-ball pebbling for a good grip. This official NBA sized ball--with official NBA logo--has a 29.5-inch circumference