https://www.amazon.com/AONIJIE-Hydration-Backpack-Reservoir-Marathoner/dp/B07QSQSGR2/ref=mp_s_a_1_6?dchild=1&keywords=aonjie&qid=1622423646&sprefix=aonj&sr=8-6
Been using this for 2 years and it's great and a whole lot cheaper.