These empty balls are made of plastic material, safe and durable for use, not easy to fade, creak, or deform, and can serve you for a long time. They provide you with enough quantity and a variety of colors to meet your different needs, bringing you more convenience.Features - Color: Random Color - Material: Plastic - Size: 4.50 x 4.50 x 4.50 cm / 1.77 x 1.77 x 1.77 in - Round fillable balls are smooth in surface and comfortable to touch, offering safer use for teens in daily life. - These empty balls are fillable; you can fill them with toys, small gifts, and other party favors. - Ideal fillable balls for Easter parties, birthday parties, classroom prizes, DIY crafts, and more. - Designed with a simple and practical style, they offer a pleasant user experience. - Made of safe plastic material, high strength and wear-resistant, supporting long-term use. They are reusable.Packing List 60 x Empty Balls