Trim Your Christmas Tree By Creating Your Own Keepsakes With This Plastic Christmas Ornament. Remove The Metal Top To Fill The Clear Ball With Glitter, Tinsel, Or Mementos, Or Adorn The Outside With Paint Or Other Decorations. At 83 Millimeters In Diameter, This Clear Plastic Christmas Ornament Is Large Enough To Display Your Crafting Fun And Be An Eyecatching Centerpiece On Your Tree. Create Your Own Keepsake Christmas Ornaments With This Clear Plastic Christmas Ornament.