SLS3 Running Dual Bottle Hydration Belt | Holds IPhone 6 | Zipper Pockets | Water Resistant | Waist Bag Pack | For Running, Hiking, Cycling, Climbing, Camping, Travel | German Designed LIGHTWEIGHT NEOPRENE MATERIAL: Made out of water-proof, tear-resistant breathable material. 2 WATER BOTTLES: 2 x 6 oz BPA Free Water bottles ADJUSTABLE WAIST BAND: Fully adjustable to accommodate your waist - one size fits most. NO BOUNCE: Strategic placement of the water bottles and pocket ZIPPER POCKET: Pocket (6"x3") holds smartphones, keys, money and other essentials. Fits most smartphones up to iPhone 6 without a case.