Package Contents: the package comes 4 pieces flexible seating designed with donut shape and 4 colors( yellow, pink, blue and purple) and one inflatable pump; These flexible seats have been upgraded in style and function; Each yoga ball has massage points on its surface; This makes it provide children with even a good sitting experience, can provide effective cushioning for children and protect their hips Variety of Colors: add bright and vibrant color to your classroom or office with donut flexible seating available in yellow, pink, blue, and purple; The colorful yoga chairs can help create a colorful classroom environment and learning atmosphere, where teachers and children can easily sit and talk and play together at any time Ideal Size: the size of donut yoga balls have been designed in suitable size, measuring approximately 19.69 x 19.69 x 9.84 inches; The compact inflatable pump is an ideal size at approx. 9.84 x 1.97 inches; These balls has no pointed corners, making it safe and practical, so children won't get bumped or bruise Good for Your Children: the donut yoga balls for students and adults in the package are made of quality PVC, ensuring a level of strength and durability that you can use them for a long time; Exercise balls for kids are designed to help promote continuous muscle contraction, which facilitates the development and growth of children; Can effectively help improve the attention and alertness of children or adults Multiple Uses: the flexible seating chair is the practical seating device for classroom teaching, for children to relax, read, learn, play, and organize group activities, suitable for home schools, daycares, preschools and children's playrooms
Features:

Enhances health and focus: Beyond the initial use, this wobble chairs for elementary students can also be applied for sports yoga to help exercise body muscles and achieve multiple uses for the product.
Our bouncy ball office chair is main made of PVC material, which is not easy to break, safe and reliable, you can put it in your bedroom or office, it can bring you good using experience.

Easy inflation:
The package includes a quick inflation pump, making inflating the flexible seating for kids a breeze within minutes.

Specifications:
Material:
Donut yoga balls: PVC
Inflatable pump: plastic
Color:
Donut yoga balls: yellow, pink, blue, purple
Inflatable pump: black
Size:
Donut yoga balls: approx. 19.69 x 19.69 x 9.84 inches/ 50 x 50 x 25 cm
Inflatable pump: approx. 9.84 x 1.97 inches/ 25 x 5 cm

Package includes:
4 x Donut yoga balls
1 x Inflatable pump

Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.