AMSANA trade; Runners Hydration Belt for Iphone 6/6 Plus & Android Smartphones - Two 6oz. Water Bottles - Running Waist Pack Includes Toggles to Hold Your Race Number SIZE  The Small/Medium adjusts from 27- 47 and the Medium/Large adjusts from 30-50. For anyone with a 34"waist or less, the Small/Medium is preferred for a snug fit. EXTREMELY COMFORTABLE MATERIAL  This belt is made of soft, stretchy neoprene fabric which gives a comfortable snug fit. TWO COMPARTMENTS WITH ZIPPERS The belt includes two compartments so you could be more organized and not have to worry about your phone getting scratched from keys etc. The compartments are safe, as they can be closed with a zip. Both pockets are 7 x 4.7. ADDITIONAL ACCESSORIES  You get two 6oz. BPA-Free and Leak-Proof Water Bottles along with the belt. The belt comes with two pockets that fit the bottles perfectly. TOGGLES  This hydration runner belt has two convenient race bib removable toggles to hold your race number.