Arch Guard Technology plus Shock Guard Technology distributes weight and reduces impact

They can be filled with air and helium

Head Circumference (in: 22 - 23

which can tightly connect the separate parts

-Use the base connector to combine the metal tube into the PVC base

VIVOHOME Oval Bird Bath for Outside with Metal Ground Stake, Copper Angelus Arch Guard Technology plus ShockA practical fountain or water feature for patio, yard, or garden. Chosen from Amazon's better selling, well reviewed options in this category. SAFE & DURABLE: Made of high quality ABS with a retro bronze coating, this oval bird bath resists peeling, fading, and rust, is weather resistant for year round outdoor use, and helps keep water cleaner for birds to drink and bathe. Straightforward to place outdoors and easy to care for season after season.