Trista Seagrass Round Hamper - World Market by Cost Plus World Market. $39.99. Our striking Trista Seagrass Round Hamper is handwoven with natural seagrass twisted and woven around a metal frame. Its handy lid keeps your dirty laundry out of view and the cut out handles make it easy to tote your wash to the laundry on cleanup day. We know you'll enjoy how easy the machine washable, 100% cotton liner is a snap to remove and clean.