Empower your tween to embrace her first period with confidence and comfort. The First Period Underwear Kit for Tween Girls and Teens is designed to make the transition smooth and worry-free.

This comprehensive starter kit features three reusable period underwear, absorbent swim bottoms, and a waterproof wet bag for discreet storage.

Made from high-quality polyamide and spandex with a bamboo viscose lining, the products are breathable, stretchy, and perfect for growing teens aged 9–14. Each piece in the kit is leakproof and offers various absorbencies for light, heavy, and overnight flow days. The waterproof neoprene wet bag ensures everything stays dry while on the go, and the machine-washable design keeps things simple.

The kit also includes an interactive period guidebook, a thoughtful resource to help your tween understand her body and feel confident navigating her menstrual journey. Whether as a gift or an emergency school kit, this eco-friendly set is a must-have for tweens and teens starting their period journey.

Please click here to discover your perfect fit.

We aim to send all orders out by the next working day.

USA: 5-7 working days

Canada & Mexico: 5-10 working days

Europe: 5-10 working days

Rest of the World: 5-15 working days

Please visit our shipping page here to find out more.

Enjoy complimentary shipping on orders over $50.

If you need to make a change within 30 days of receiving your order, we offer exchanges for a different size or style, or you can opt for store credit. Please note, we do not offer refunds on underwear purchases.