Features: Made from plastic, solid and Enduring, polished smooth to hold ball firmly. Round designs will stand securely on any flat surfaces and are able to support heavy and round items without falling, tipping and rolling. These rings will remain stationary on any flat surfaces, from bookshelves to display cases, keeping you concentration on the items being supported. A easy ways to display your sphere collections at home and office. Perfect to hold and display baseball, stone spheres collection and other round objects. Clear sphere holder is good to show your collections in your home, party, home display, office or more places. Specifications: Component: Plastic Diameter: about 4.5cm/1.77inch Package Includes: 16pcs Baseball Stand note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.