Libbey Selene 2-Piece Glass Cake Dome

Walmart

Clear glass material matches appearance in video, Round plate shape matches, Elevated pedestal design matches, Smooth, traditional base shape is highly consistent with the video, Overall form factor and dimensions are appropriate for the cake shown, High priority retailer (Walmart) adds confidence

Smarty Had A Party 10.5" Clear Small Round Plastic Cake Stands

Wayfair

Clear material, Round plate shape, Elevated pedestal design, Plausible size

TableCraft Round Cake Stand 11885

RestaurantSupply.com

Clear material, Round plate shape, Elevated pedestal design, Plausible size