Of course, our product has a smooth surface due to its high-quality craftsmanship. It is safe and environmentally friendly, made from premium materials. Our product ensures safety with good impact and shock resistance, and can be used to fill various spaces. It helps develop hand-eye coordination and motor skills through play. It is constructed of PE material. The diameter of the product is 5.5 cm. The ocean ball is thick, durable, colorful, odorless, and highly elastic, suitable for ball pits, tents, and swimming pools. Item Name: Ocean Balls Material: PE Features: Thick, No Odor, Bite-Resistant, Entertainment Size Details: Diameter: 5.5 cm / 2.17 in (Approx.) Notes: Quantity is approximately 100 pcs. Due to manual counting, there may be 15 pcs variance. Thank you for your understanding. Due to lighting and screen setting differences, the item's color may vary slightly from the images. Please allow slight dimensional differences due to manual measurement. Package Includes: 100 x Ocean Balls