Giant Putting Greens by BirdieBall, Authentic Feel and Roll Makes for Perfect Putting Practice.

Giant Putting Greens by BirdieBall, Authentic Feel and Roll Makes for Perfect Putting Practice. They are made of a new revolutionary, synthetic material which replicates the nub texture of a real putting green. Unlike artificial grass which has radical speed changes depending on the grain of the material, this new synthetic material has subtle grain which can be changed with rolling or brushing, just like a real putting green.

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