Grumbacher 2.5oz Pale Drying Oil Stretcher Bars The coil's surface effectively separates

The coil's surface effectively separates brush hairs

A much better choice than common pressure sensitive clear plastic tapes that can yellow

Single Wall 1/8" C Flute corrugated cardboard

It keeps oils and acrylics moist for up to 30 days

thin washes are applied allowing the white of the paper to reflect through the wash

Grumbacher 2.5oz Pale Drying Oil Stretcher Bars The coil's surface effectively separatesThis oil paint additive speeds drying time, increases flow and gloss, and reduces consistency of oil colors straight from the tube. Excess use can cause poor flexibility and yellowing and therefor it is recommended for artisan painting versus fine art application. Use sparingly with any oil painting solvents or mediums. Cleans up with mild solvents. Made in the USA.