Features:Hydration Pack is a heavy duty hydration pack suitable for hiking, running, biking, skiing, and other outdoor activities. It is constructed from rugged heavy-duty nylon and is resistant to tears and abrasion. The fully removable water bladder has a 3 liter (100 ounce) capacity. Water is drawn via the hands-free hydration hose with bite valve, gently biting the valve to open up the flow of water. Sleek and compact in design, only 17" x 8" x 1.5" in size and 15 ounces in weight .- Large filling port with secure seal- Bite valve design, convenient for switch on/off the flow of water- Comes with bite valve cover- Completely safe to use- With hand carry strap and adjustable shoulder strap- Keep water cool for hours- Extra carrying space for storage- 3L hydration water reservoir is installed in the backpackAbout our servicesIf you have any questions, please leave your messages by email, we promise to reply you within 24 hours and offer you best servicesIf you are satisfied with our products, please don't forget to leave 5 stars Positive Feedback, we will appreciate your encourageIf you are not satisfied, before you leave the Negative or Neutral feedback, please contact us , we will solve the problem till you satisfy.Notice: 1. Please check the size before you confirm the order and we are always here for you.Thanks for coming to my store and enjoy your shopping!2. It may have little color difference due to different monitor. Thank you for your understanding.Package content:1pcs