Officially-sized and professionally-designed, the Champion(R) M150 Major League Anchored Base Set ensures safety while sliding, rounding and tagging. The M150 pro bases feature a heavy-duty nylon quilted cover and a compressible foam interior to ensure maximum durability and protection upon impact. Other features include leather-reinforced strap tabs, heavy-duty nylon straps and a 3" official height. FEATURES: Pro-style 3 base set Heavy-duty nylon quilted cover with durable foam interior Compresses upon impact for safety Includes 2 heavy-duty nylon web straps Leather-reinforced strap tabs Includes 2 steel spikes per base (6 total) Official size Dimensions: 15" x 15" x 3" Model: M150 Champion