OFFICIAL SIZE BASE SET (set of 3) Authentic look and official little league size 15" x 15" x 3" safety base set, made from 100% natural rubber. The perfect base for any recreational baseball diamond. DISENGAGES ON A HARD SLIDE The QUICKPLAY Pro Safety Base set features a unique two-part design. The authentic white rubber base disengages from the black base plate on a hard slide. MULTIPLE SET UP OPTIONS (Set Up 1): Stake the black base plate to the ground with the plastic stakes provided, then place the white rubber base on top. (Set Up 2): Attached the black rubber base plate onto a pre-installed metal base ground anchor / post (metal anchor not included), then place the white rubber base on top. (Set Up 3): Use the white rubber base as an authentic size and shape throw down base (no anchor). SET INCLUDES: 3 rubber bases (1st, 2nd & 3rd) and 3 rubber base plates, each with x2 plastic ground pins.