With the limitation that it only stays cool for up to six days in an insulated backpack: ...lasts for up to six days inside an insulated backpack... Also: ..

With the limitation that it only stays cool for up to six days in an insulated backpack: ...lasts for up to six days inside an insulated backpack... Also: ...a £2,000 cash prize. Broadway plans to use the money to develop further prototypes and apply for patents... I wish there was an alternative to providing incentives for innovation that didn't potentially disadvantage the general public, especially for lifesaving technology.