How much does this cost to the nearest dollar?

WIISSER Drink Coasters with Holder,Bar Coasters, Coasters for Coffee Table, Diatomite Cup Coaster Set of 6, Coasters, Fast Water Absorbent Coasters, Self-Dry Diatomaceous Cup Holder, Small Plant Tray
Safe A new way of green life made from natural diatomaceous earth. Multifunction Due to its unique molecular characteristics diatomite helps to fast absorb water, anti-slip, purify air and odor remover. Perfect gifting A unique modern eco-friendly gift for housewarming and other occasions. Easy to clean Remove dust by rinsing it with water and natural air dry. Stains can be removed by gently brushing or using sandpaper. COASTER WITH METAL HOLDER SET The set includes 6 round diatomite coasters (4 inch) and a black metal

Price is $20.00

Price: $19.99