This is a Trail Lite Waist Pack from Mountain Trails that can easily and comfortably carry 16 oz of fluid.
Specifications and Features:
Size: 12.5" x 7" x 3"
Capacity: 16 oz.
Type: Waist pack
16 oz. HDPE BPA free squeeze bottle included
Pull cord secures bottle
Zippered stash pocket for quick access items
Pull cord for versatile external storage
Padded back for comfort