FDA-approved. BPA-free multi-coloured vibrant mini muffins materials-this pack contains 24 pieces. Dimension FF1 A; each cup holds 2.5 oz, cup diameter at top: 7 cm. Cup diameter at bottom: 4.4 cm. Stain resistant and made of FDA approved silicone, making it non-slip, impact-resistant, waterproof, heat-resistant, microwave, freezer and dishwasher safe. Makes lunch irresistible: Silicone cupcake moulds, makes food easy fun by separating the vegetables, snacks and fruits in a kid's bento lunch box. Pack a nutritious meal and avoid the processed food rut. Picky eaters love food healthy meals with these bright, vibrant, rainbow colours. Easy to use: These flexible cupcake cases fit perfectly into your existing cupcake holder and can also be placed in a simple baking tray. Once they are ready they just pop out.