Platypus - Platy 2.0L Bottle Trail Bike Lightweight and powerful: 600 lumens

Lightweight and powerful: 600 lumens and only 88 g

And given that the bag and its zipper are waterproof

Here's what your board needs to attach the dog mat:

This innovation uses air permeable eVent® fabric on the base

Platypus - Platy 2.0L Bottle Trail Bike Lightweight and powerful: 600 lumensOur original flexible water bottle, the Platy 2 liter bottle has become the backcountry standard in simple, ultralight water management from thru hikes to the campground. This can be easily paired with the drink tube kit & Magnetic Tube Clip to make a reservoir to be stashed in your backpack or bikepacking bags. Filter pair able: Can be easily used in conjunction with GravityWorks and other water filters. Versatile: Accepts any threaded Platypus caps