The Billabong Women's Postcards From Paradise Lowrider Reversible Bikini Bottoms are a getaway trip away from enjoying sun-soaked summer days in the tropics. These lowrider bottoms are made of recycled polyester and offer full bum coverage so you can roam the beaches and savor the cool waves. They feature an all-over reverse print and embroidered logo so you can flaunt your style how you want all day.