Come and see our amazing products. The outer ball case is made of PS and rain poncho rolled up inside is made of PE. They are of durable material, compact and lightweight for easy storage. Perfect for outdoor activities or traveling. 2 1/2" Diameter, The prices include the shipping cost to CA. 100% guarantee for quality, Rush service, please order today! Pls confirm with us about the packing info, stock color and exact production time before placing your order.