 However , polyurethane condoms are less elastic than latex ones , and may be more likely to slip or break than latex , lose their shape or bunch up more than latex , and are more expensive . 
 However , polyurethane condoms <a href='drop_aux' title='1'><mark>are</mark></a>less elastic than latex ones , and may be more likely to slip or break than latex , lose their shape or bunch up more than latex , and <a href='drop_aux' title='2'><mark>are</mark></a>more expensive . 
However , polyurethane condoms less elastic than latex ones , and may b more likely to slip or break than latex , lose their shape or bunch up more den latex , and more expensive .