Made of solid foam of high density, not easy to break and scatter, very lightweight, allow you to use for a long time The polystyrene foam balls have a smooth surface, soft, lightweight. Great for crafting projects or various decoration in different situations, such as Christmas, Wedding, Party, arts, household and school projects. Convenient to use: you can use this set of decorating balls with glue to stick them on some items, or diy children's handmade. Use the small foam balls to party decor for an upcoming wedding, baby shower, or birthday celebration. Specification: Material: Foam Size Chart: Size: 1000pcs 1cm/0.39inch 500pcs 2cm/0.79inch Package Includes: 1 Set Solid Foam Balls Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!