It's a pre-folded PE film that feature pre-taped edge of professional grade masking tape. Pre-folded, high-density, nonporous film protects surfaces from painting and spraying. No adhesive residue. Paint will not seep through tape. Clean, easy removal saves cleanup time. Easy to apply, specially designed for professional painter or DIY user. 

Features 
Easy to handle roll, unfold, paste on and use 
Very helpful to achieve a neat finish 
To improve the efficiency of work 
To speed up the work 
To save in labor cost 
Usage 
Used for car painting and spraying 
Used for house painting 
Anyone that wants to protect items from airborne particles.