The 899 12 ft. Triangle Shade Sail is the do-it-yourself shade product that allows you to create your own unique shade design. Shade Sails easily attach to any sturdy connection point to provide sun protection and personal design where you need it. Each Shade Sail is ready to install and includes a basic hardware kit for easy attachment to the house, building, tree, or post. Shade Sails offer an excellent shade solution for backyard decks, patios, pools, play areas, camping, or any place you need shade.