Deceptively tiny, these convenient, 0.5 inch discs expand into perfect water bowls for traveling dogs! Whether on an epic walk, or more distant travels, the Expandable/Collapsible Travel Cup from Popware for Pets is a perfect travel companion! Bright, fun, and most of all, dishwasher-safe, these bowls make packing for your pup a breeze! $7.99 and $9.99, popwareforpets.com