Holidaypacfactory Reusable Aluminum Foil Cups — premium food-grade thickened aluminum cups for egg tarts, puddings, crème brûlée, mini cakes, cupcakes and individual air-fryer portions. Heat-resistant up to 660°F (350°C), freezer-safe, dishwasher-safe, reusable up to 30 times when hand washed. Available in 8+ fluted and smooth shapes. OEM custom embossing and color anodising welcome.