𝐍𝐎𝐍-𝐁𝐔𝐑𝐒𝐓 & 𝐍𝐎𝐍-𝐒𝐋𝐈𝐏 - Made of durable & non-toxic PVC material, the small pilates ball will not burst or lose its shape when used on a hard surface. And the surface of each ball is coated in a non-slip glaze to ensure you have...