To Contact: "TETRADIRECT" Please E-mail: The Tetrahedron chambers5@psouth.net You'll be able to discuss pricing information, including custom colors and sizes. Alternatly you can reach TetraDirect at mamasue@skydivenewengland.com. Please reference this website, thanks. To tell a friend about TetraDirect, please click here. The Tetrahedron is made of the highest quality materials and has been field tested over many years. Each unit is individually tested and balanced to react in the lightest wind conditions.