Weights shown across the results include 8 pounds, 10 pounds, 17 ounces (weighted volleyball), 2.1 pounds, 4 ounces, .93 ounces, 25 grams, and 272 ounces.
Reported sizes include 10.4 inches, 9 inches, 8 inches, 2.8 inches, 2.83 inches, 26 inches (also shown as 65 cm), and a stated range of 18 through 34 inches for the donut-style balls.
Descriptions mention dual-grip handles, tire-tread or textured slip-resistant surfaces, added texture on balance trainers to prevent slipping, and stitchless microfiber on a weighted volleyball.
Uses include strength and power training, conditioning and cardio, core and stability work, yoga and Pilates, active seating, rehabilitation/physical therapy, and sport practice drills.
Package counts shown include single-ball packs and multi-packs of 4, 6, and 12 balls.
Listed support or capacity values include up to 250 pounds, up to 300 pounds, and up to 350 pounds.