These suggestions and simple at-home hacks can make your mask a better barrier against the surging delta variant.

Child Size Washable Face Mask With Filter Pocket Available to customize, the Child Size Washable Face Mask With Filter Pocket ($3 and up) can be bought with filters and a drawstring carrying bag.

The material from a non-woven polypropylene (with a No. 5 recyclable label) reusable shopping bag can be used to make an effective face mask filter.

Experts also stress that it’s critical to make sure the mask covers your mouth and nose. Another way to improve a cloth mask is to select one with a pocket that can hold a filter.