18 Count 5oz Small Acrylic Martini Glasses for Party Champagne Tower Package Contains: 18 count 5oz Acrylic Martini Glasses/Party Champagne Tower Glasses. Material: Premium acrylic. Food grade plastic, lightweight, unbreakable, reusable, and dishwasher safe. Size: Top diameter: 3.27"(8.3cm) Bottom diameter: 2.36"(6cm) Height: 4.13"(10.5cm) Weight: 35g The volume of full water in a cup: 5oz Features: 1.Party Champagne Tower Glasses: There are three interlocking grooves at the bottom of the cocktail glasses' base, which can build a sturdy champagne tower for a party or weddings. 2.Special Design: Easy-to-assemble glasses; base and glass fit snugly; 2-piece construction makes a easy storage after-party. 3.Used for: Using these plastic coupe glasses to enjoy your champagne, cocktails, sodas, water, wine and sparkling wines, dessert or anything else you want. 4.Your good helper for cocktail party, bridal shower, wine festival, sweet 16 birthday, anniversary or wedding.