WONGM114 Blue Cats Eye 16mm Glass Marbles Pack of 20 Wondertrail- Useful as replacment marbles in games.- Be creative and create new games to use your marbles for.- Playing a game of marbles.- These Glass marbles are also great for decorating vases.- Blue Cats Eye marbles- Each blister contains 20 glass marbles.- Glass marbles are 15-17mm Approximately 5/8 inch in size.- All marbles are packed in blisters for protection in storage and shipping. NOTE: Colors may vary slightly depending on your monitor settings. Wondertrail products can be identified by the Wondertrail brand name and the Wondertrail Logo. If you receive anything else it is not by Wondertrail Wondertrail is a registered brand of Community Outlet LLC Wondertrail Logo is a registered trademark of Community Outlet LLC Not for ages under 14 years old.