MyArtscape Travel Paint Brush Set, 7 Ultra Short-Handle Brushes with Case Holder - for Watercolor, Gouache and Acrylic - Synthetic Hair - Ideal for Plein Air Painting - Art Supplies : Amazon.co.uk:
A buyer's guide to some travel brush sets for Artists' paints
Fuumuui 3pcs Sable Travel Watercolor Brushes with Pocket – fuumuuiart
Aqua Elite Series 4850 Travel Brushes | Princeton
Winsor & Newton Cotman Water Brush Pocket Set Travel Paints, Set of 12
11pc Oil Paint Brush Set Zip Case Wallet Travel Mont Marte Signature Oil Brush | eBay