Cork Coasters Round, Set of 6 Coasters, Gift, Coaster Set, Gift Box Round cork glass coaster MINARA with holder, 6 pieces, natural, 3.5 Round Cork Coaster Set in Box Logo Branded Coaster Gift Sets Round cork coaster stock photo. Image of natural, corkmat 89983394 Round Cork Coaster Set 16 PC Betus Round Cork Coaster Set 16 PC Betus. This set of four round coasters is crafted from natural cork, offering a sturdy and lightweight design. Each coaster features a slightly raised edge, forming a shallow well for secure placement of items.