Keep your game under par, and your practice area oversized with the Fiberbuilt Grass Series 10’x4’ Double-Hitting Studio Mat, which accommodates both right- and left-handed players. The authentic Fiberbuilt Grass hitting panels are ultra-durable and proven to perform exactly like real fairway grass. Hit down and through, and avoid turf shock to prevent injuries. Even better, it comes with our 300,000 shot guarantee. Designed to accommodate both left- and right-handed players Fiberbuilt Grass comes with our 300,000 shot guarantee Each hitting panel includes 4 tee holes, which accommodate rubber tees and friction-fit tee holders Tool-free assembly The double-hitting configuration with spacer panels is ideal for face-on optical launch monitors like Foresight, SkyTrak, and Ernest Sports The finished dimensions of this mat are 121"x49"x2" Includes: 2 Fiberbuilt Grass hitting panels, 1 Performance Turf stance mat, 2 Performance Turf spacer panels, 2 2.625" rubber tees, 2 friction-fit real tee holders, and our exclusive tool-free modular rubber foundation with easy-lock fasteners For optimum performance, you should install your golf mat on a firm and level surface like concrete, packed gravel, asphalt or a solid deck. It should not be installed on bare ground or grass. Parts & Assembly information for the 10' x 4' Fiberbuilt Grass Series Studio Mat can be found here. NOTE: We have temporarily discontinued production of our Adjustable Tees, and we are currently including 2.625" rubber tees and friction-fit tee holders with each new order of Fiberbuilt Grass Series mats.