NRS Healthcare F17914 Pat Saunders One Way Drinking Straws 2 lengths - Pack of 2 Straws;One-way valve - liquid stays in straw even if straw is moved from users lips;Contains one way valve, straws clip easily on to glasses and cups;Two different straws included - 1 x 18cm (7-inch) length, 1 x 25cm (10-inch) length;Enable easier drinking for people with reduced ability to suck