Soft Mega Medicine Ball Set- 14, 16, 18, 20 Lb Soft Mega Medicine Balls- 14, 16, 18 and 20 LBS (total 4 pcs) with a 14" diameter Impact absorbing design for rehab, agility and durability training Best single piece of equipment for upper body & core strength training. Helps develop rotational power & strength. 30 day warranty for commercial use & 90 days warranty for home use(slam exercise is excluded) NO shipping to Alaska, Hawaii, and APO/FPO addresses or PO boxes