Thanks to the robust stainless steel construction, the cups are shatterproof and durable, making them ideal for both indoor and outdoor use. The double-wall insulation ensures that drinks stay cooler for longer, while the generous capacity of 550 ml provides ample space for beverages. The sturdy, shatterproof cups are perfect for outdoor use, garden parties, or festive occasions. Durable and environmentally friendly, they are a sustainable alternative to traditional glassware. It is recommended to wash the cups by hand with a mild detergent and dry them to maintain their shine for longer. The set includes 4 cups, 4 straws, and a cleaning brush.