Amazon.com: U.S. Art Supply Professional 12 Color Set of Art Oil Paint in 12ml Tubes - Rich Vivid Colors for Artists, Students, Beginners - Canvas Portrait Paintings
Oil Paint Tubes, 21ml - 12 Colors – MyArtscape
Winsor & Newton Artisan Water Mixable Oil Paint - Set of 10 Colors, 1.25 tubes | BLICK Art Materials
Winton Oil Paints & Sets by Winsor & Newton - 37ml tubes only | eBay
The history of the metal paint tube by Winsor & Newton – Opus Art Supplies