Personal Space ™ Desk Divider, Smaller Size for Pre-K-Elementary. Help maintain social distancing and physical separation in the classroom, at the office or any other necessary location with our plastic desk and table barriers. These dividers are now more important than ever to keep all those in a shared space safe. Our dividers can be added quickly and easily to any area without any setup. Larger size is great for all Middle School-High School. Assembled size:23.6? W x 18.9? H x 11.8? D. Made of #5 Polypropylene (PP) which is considered to be the safest of all plastics, this is a robust plastic that is heat resistant.