●Breakaway baseball base system is designed to reduce the potential for injuries sustained when sliding into the base ●Set of 3 official size safety break away baseball bases - includes two M990 breakaway bases and one M998 breakaway double first base ●Made with heavy-duty all rubber construction ●Bases insert into standard anchoring sytem - includes steel anchors and rubber base plugs ●Double first base measures 30" x 15" x 3", other bases measure 15" x 15" x 3"