Cross Base for Outdoor FlagsOur Cross Base for Outdoor Flags is crafted from heavy duty steel that simply slip onto the bottom pole of your flag pole to display your flag on any hard surfaces. Can be used indoors or outside. Our Cross Bases is strong and heavy enough to prevent our 14 foot flags from blowing over inside a windy display area. Product Specifications Heavy duty stainless steel construction Swivel joint allows flags to sway with the wind For indoor or outdoor use