These cotton bikini panties are made with a ribbed design. They have mesh panels on the side for a sexy appeal and come with a soft, cotton gusset lining for maximum comfort, providing moderate back coverage for a sexier look. Available in a value pack bundle of multiple colors. General sizing guide corresponding to US pant size: Small (0-2), Medium (4-6), Large (8-10), X-Large (12-14). Made of 92% Cotton and 8% Spandex. Machine wash in lingerie laundry bag, line dry. For better results, hand wash.