IKEA KALLSINNIG Clear Plastic Wine Glasses (4) Height: 6 " Volume: 11 oz "Up for a garden party or a picnic in the park? KALLSINNIG wine glasses are perfect for both. They’re made of durable plastic that won’t break easily, can be used over and over again – and look like glass!" "This wine glass is made of acrylic plastic, a durable material that looks like glass and can be used over and over again." Polystyrene-acrylic plastic Care Dishwasher-safe.