Purchased for work and used for six months. Actually used for about 2 months, mostly kept in a backpack. Selling because I no longer need it. Size: (approx.) 5.5 cm wide x 7 cm long x 6 cm deep Waist size: (approx.) up to 115 cm Holds a 650ml plastic bottle. It was quite useful. The bottle holder is also removable. There aren't many waist pouches like this, so please refrain from purchasing if you are overly concerned about minor details.