Round Cork Coaster Set 16 PC Betus Cork Coasters Round, Set of 6 Coasters, Gift, Coaster Set, Gift Box Round Cork Coasters at 100 set Corporate Gifts in Mumbai ID Round Cork Coaster Set 16 PC Betus Round Cork Coasters eagleasap. 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.