Of course, this product has a smooth surface due to its high-quality craftsmanship. It is safe and environmentally friendly, made from premium materials. The product offers good impact and shock resistance, helping ensure child safety during use. It can be used to fill various spaces and helps develop hand-eye coordination and motor skills through play. Item Name: Ocean Balls Material: PE Features: Thick, no odor, bite-resistant, for entertainment Size Details: Diameter: 5.5 cm / 2.17 in (approx.) Note: The package includes approximately 100 pieces. Due to manual counting, the quantity may vary by 1–5 pieces. Due to lighting and screen setting differences, the actual color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 100 x Ocean Balls