Wayfair offers Wenzel Magnetic Screen House for $123.99 (reg $159.95) with free shipping.

Product Description:
For a shady bug-free zone, cool off in the shade and escape pesky bugs at your next outdoor gathering with the Wenzel magnetic screen house. The sturdy steel and fiberglass frame sets up easily and can fit over a picnic table. Magnetic front and back doors provide hands-free entry with automatic closure to make going in and out with kids, pets or food easy. 
Features

• Steel uprights and shock corded fiberglass roof frame combined with fast feet for easy set up
• Pre-attached by ropes for added stability