Luxury Erin Mills Content Sale › Set of 4 Thick-Base Glass Tumblers with Bubble Detail Image 1 of 2 Image 2 of 2 Set of 4 Thick-Base Glass Tumblers with Bubble Detail $20.00 Four clear glass tumblers with heavy weighted bases containing an encased air bubble. Add To Cart Added! Four clear glass tumblers with heavy weighted bases containing an encased air bubble.