About this item: 100 Piece 6 SizesPack of 100 polystyrene balls, 6 sizes solid polystyrene spheres. 4cm, 3cm, 2.5cm, 2cm, 1.5cm, 1cm, all will meet your different needs. DIY Craft Tools & DecorablesLarge size styrofoam balls can be used for weddings, vase decorations, and small size balls can be used as DIY gifts for your friends during festivals. These craft polystyrene balls are very lightweight that will meet your art projects, can also be used for solar system model, math project tools, molecular modeling and various craft activities. Good Foam MaterialThese polystyrene spheres are made of solid foam of high density, not easy to break and scatter, environmentally friendly and tasteless, very lightweight, and allow you to use them for a long time. Get CreativeThese white polystyrene foam balls to have a smooth surface and a regular shape. You can be painted, glued, cut, sanded, and pinned to make whatever you'd like! Great for floral arrangements and much more! Great for OccasionsThe styrofoam foam balls are perfect for decorating weddings, Christmas trees, Easter, valentine's day, baby showers, and festive occasions. Create party decorations with these balls, which can be applied for crafting projects or various decorations in different situations. Pack of 100 randomly mixed colours