Perfect for holding hot & cold drinks on walks Conveniently mounts to vertical tube of wagon push bar for easy access while in use Fits cups and bottles from 2" - 3.25" inches in diameter Rotates between 0 and 180 degrees Compatible with the following wagon models: Build-A-WagonA(R): Stroll 'N Wagon(TM), 3970, 3972, 3972W, 3973, 3974, 3977, 3978, 3990