are these one time use? or can they be cleaned and used multiple times?

Most contractors clean them and use them a few times. If you are rough with stencils in general, it is possible they would crack on the first go but in general that hasn't been our experience. If you're looking for something with more reusability, we can...

Starter Stencil Kit For Line Striping

If you're starting your own line striping or asphalt sealcoating business, this starter stencil kit is just the thing you need to get started. It covers the necessary basics with a 48" handicap stencil, which is necessary for working on parking lots. You also get a 42" arrow combo stencil, allowing you to paint curved or straight lines to direct drivers. The included word stencils also allow you to mark off special parking and no parking areas.

These durable 1/8" thick stencils lay flat for precise painting. Constructed from professional grade LDPE, you'll be able to use these stencils over and over again.

This starter stencil kit includes: