Cora Organic Cotton Tampons ($7) can be purchased per box on the brand's website and at Target, or through a subscription service that ships and bills every three months, which allows you to choose how many tampons (and what absorbency) you want delivered every month. For example, if you choose 48 tampons, you'll receive 16 per month. On the brand's site, the organic cotton tampons with plastic applicators have garnered over 2,000 five-star reviews. An applicator-free version is available as well.