This is a 1 year indoor polyester film.

Blackboard Vinyl is suitable for indoor use on any smooth surface. Can turn any surface into a chalkboard for writing and drawing. Hours of fun for everyone. Width:    1,000mm

Silkscreen flat sheets is a gloss white short life promotional vinyl. Designed for use in a wide range of short term applications. Thickness:    80mic Durability:      1 year