Stasher and Modern Twist: Kat Nouri : How I Built This with Guy Raz As a mother of three, Kat Nouri was dismayed at the amount of single-use plastic she was using to pack her kids' school lunches. She had already launched a successful brand called Modern Twist, which sold placemats and baby bibs made of silicone. So Kat wondered: why not use silicone to make durable food storage bags, which—instead of being used once, could be used thousands of times? In 2016 she launched Stasher, and was soon persuading retailers that an $11 reusable bag was better for the planet—and ultimately, more cost-effective for the big-box shopper. Kat successfully sold the brand to S.C. Johnson just a few years after launch, but her short tenure at Stasher's helm was marked by growing pains and gnawing moments of anxiety, including an unexpected scuffle with the sharks on Shark Tank.

Stasher and Modern Twist: Kat Nouri

Stasher and Modern Twist: Kat Nouri

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Kat Nouri is the founder of Stasher and Modern Twist.
Scott Everett for NPR

As a mother of three, Kat Nouri was dismayed at the amount of single-use plastic she was using to pack her kids' school lunches. She had already launched a successful brand called Modern Twist, which sold placemats and baby bibs made of silicone.

So Kat wondered: why not use silicone to make durable food storage bags, which—instead of being used once, could be used thousands of times? In 2016 she launched Stasher, and was soon persuading retailers that an $11 reusable bag was better for the planet—and ultimately, more cost-effective for the big-box shopper.

Kat successfully sold the brand to S.C. Johnson just a few years after launch, but her short tenure at Stasher's helm was marked by growing pains and gnawing moments of anxiety, including an unexpected scuffle with the sharks on Shark Tank.

This episode of How I Built This was produced by Kerry Thompson and edited by Neva Grant. Research help from Claire Murashima. Additional support from Jeff Rogers, Casey Herman, J.C. Howard, Julia Carney, Elaine Coates, Farrah Safari, Liz Metzger, Harrison Vijay Tsui and Katie Sypher. You can follow us on Twitter @HowIBuiltThis, on Instagram @HowIBuiltThisNPR and email us at hibt@npr.org.