This Football Soccer Substitution Card Board is designed to provide clear, efficient signaling for player changes during competition and practice. The doublesided display and 2digit substitution cards help coaches, officials, and players communicate substitutions quickly and with less confusion. Key benefits Clear signaling for substitutions to players, staff, and spectators Doublesided display improves visibility from either sideline or bench 2digit substitution cards enable quick, unambiguous numerical signaling Suitable for use in official competition and training environments Simple to implement with standard substitution procedures, reducing delays Key attributes Functionality: Football soccer substitution card board with a doublesided display and 2digit substitution cards Compatibility: Intended for use in competition and practice settings to support standard substitution signaling Display: Doublesided design for visibility from both sides of the touchline Signaling capacity: 2digit substitution cards for displaying the required numbers Use cases In official matches: coaches and officials use the doublesided cards to indicate entering and exiting players clearly during substitutions During training sessions: teams run drills and scrimmages that require frequent player changes, aided by the substitution cards for orderly changes Youth and academy programs: provides a clear, easytofollow method for signaling substitutions to players and supervising staff during practice and matches This description reflects the product's core purpose and features as described in the title, focusing on practicality, readability, and suitability for competition and practice environments.