Christmas Stand Cover: This Christmas tree collar hides your Christmas tree stand, and keeps your kids, dogs, cats and other animals away from your Christmas tree base. Collar for Christmas Tree Information: Overall Dimension: Φ26" x 11" H, Top Diameter: Φ18". Normally suitable for 7.5ft high Christmas trees or tree stands less than 25"D. Note: We suggest that you measure your tree stand to ensure its fit within the collar.