Package Including: You will receive 6 PCS colorful knobby balls, and 1PC pump. Each ball measuring approximately 4.72 Inches in diameter when inflated, which features 6 captivating colors. These vivid hues are certain to bring joy to individuals of all ages, from adults to children, and even babies Good Quality: Our massage ball is crafted from high-grade PVC material, guaranteeing elasticity, safety, and reliability (Place the ball in ventilated place in 1-2 days, the smell will disapear) Perfect Size: Our sensory ball is soft, an ideal grip size, and a lightweight, making it easy for children to handle and toss. It also suitable for play in swimming pools or bathtubs, effectively enhancing children's sensory and dexterity development Awesome and Fun: These lightweight balls are excellent for throwing, bouncing, rolling, catching, and playing indoors and outdoors. Parents love them because their little ones can play with them and not get hurt or damage any walls or windows, but they are still firm enough to bounce super well, even on a carpet Broad Utility: Our bouncy balls are vibrant and make excellent gifts for kids, especially during the holidays. These sensory balls also delightful party accessories, perfect for birthdays, festivals, carnivals, etc