![Amazon.com : Osprey Hydraulics LT Lightweight Water Reservoir/Hydration Bladder (1.5-2.5 Liters) Red & Osprey Hydraulics Bite Valve, Black : Sports & Outdoors Amazon.com : Osprey Hydraulics LT Lightweight Water Reservoir/Hydration Bladder (1.5-2.5 Liters) Red & Osprey Hydraulics Bite Valve, Black : Sports & Outdoors](https://m.media-amazon.com/images/I/415ZmB+7pZL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Osprey Hydraulics LT Lightweight Water Reservoir/Hydration Bladder (1.5-2.5 Liters) Red & Osprey Hydraulics Bite Valve, Black : Sports & Outdoors
![Osprey Hydraulics 1.5 L Water Hydration Reservoir - Red & Osprey Ultralight High Vis Raincover for 10-20L Packs (XS) : Amazon.co.uk: Sports & Outdoors Osprey Hydraulics 1.5 L Water Hydration Reservoir - Red & Osprey Ultralight High Vis Raincover for 10-20L Packs (XS) : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/41b7NcFPTxL._AC_SL1001_.jpg)
Osprey Hydraulics 1.5 L Water Hydration Reservoir - Red & Osprey Ultralight High Vis Raincover for 10-20L Packs (XS) : Amazon.co.uk: Sports & Outdoors
![Would something like this osprey hydration pack pass for the festival? Are they going to get strict about the side open pockets? : r/FireflyFestival Would something like this osprey hydration pack pass for the festival? Are they going to get strict about the side open pockets? : r/FireflyFestival](https://i.redd.it/0uvxy4goarl71.jpg)
Would something like this osprey hydration pack pass for the festival? Are they going to get strict about the side open pockets? : r/FireflyFestival
![Amazon.com: Osprey Hydraulics Backpack Water Reservoir & Hydraulics Hose Magnet Kit : Industrial & Scientific Amazon.com: Osprey Hydraulics Backpack Water Reservoir & Hydraulics Hose Magnet Kit : Industrial & Scientific](https://m.media-amazon.com/images/I/41G2AACqDEL._AC_UY1100_.jpg)