The bottle organizer has a track width of 2 7/8 inches. The unit has 9 tracks. The bottle organizer holds 9 bottles (20 ounce). The unit's front rail stops the bottles by catching them at their center of gravity to eliminate product tipping. The unit is made of durable co-polymer plastic. The bottle organizer slides bottles to the front. This bottle organizer is 27 1/4 x 27 15/16 inches (L x W).