Rare and Hard to Find Art Supplies | Collapsible Aluminum Tubes | Pigments, Oil Paint, Watercolors, Cold Wax
Amazon.com: Empty Aluminum Paint Tubes for Making Paint and Store Remaining Paint(40ml/1.35fl oz,7 pack), with Golden Yellow Epoxy Resin Coating, Perfect For Acrylics, Gouaches, Watercolors, Oils and any other paint medium :
Filling Your Own Oil Paint Tubes - Jackson's Art Blog
Empty Aluminum Paint Tubes | Make & Store Paint | Jerry's Artarama