This has been used a few times, excellent condition. The water bag just needs to be rinsed out as it’s been sitting in my closet, unused for a while Features & details New anti-leak bladder included and holds 1 liter of water. Bpa Free, and Reduces water bottle waste- fits the equivalent of 2 water bottles! Can be used as a regular mini backpack by easily removing the water bladder. Perfect for many activities likes raves, music festivals, camping, hiking, and more.