From the Manufacturer
The Stretch is the first stroller storage product designed exclusively for umbrella strollers. The unique flex material and tension fit design ensures a secure, no-slip fit every time. Easy-on and easy-off attachment gets you rolling in a snap. With insulated drink holders and multiple storage pockets for you and baby, you'll have everything you need within reach. Just attach and go!
Infantino Stretch - Clover
The STRETCH is the first stroller storage product designed for umbrella strollers. Easy - on and easy - off attachment. Folds with stroller. Insulated drink holders and multiple storage pockets. Neoprene fabric.