Solid box spring cover helps keep your sleeping space clean and tidy. Give your bedroom a fresh look and feel with this Solid Box Spring Cover from Project 62™. This product is STANDARD 100 by OEKO-TEX® certified, meaning it is free from harmful levels of chemical substances. 1962 was a big year. Modernist design hit its peak and moved into homes across the country. And in Minnesota, Target was born - with the revolutionary idea to celebrate design for all. Project 62 embodies this legacy with a collection of modern pieces made for everyday living.