These Girls Pink Butterfly Polka-Dotted Rain Boots Feature a Very Durable Construction ,With a Sole Made Of Rubber. Boots Feature Adorable Colored Flower-Butterfly At Sides Of Legs On a Pink Polka-Dotted Backround. Rubber Is The Material You Want On Any Boot Or Shoes Sole, So That It Lasts The Longest and Wont Tear On You Like Other Materials.