Polyester, Mesh * Big inside: tired of tiny, two-day shampoo bottles. our main compartment is big enough 7 x 8 x 3 to handle your favorite normal-sized products, with a clever combination of mesh and elastic to help * There is more: under the hook you will find an extra zippered mesh pocket and a handy mirror. outside in the back another zippered compartment is the perfect size to hold a travel alarm clock.