The large foldable strainer from Kochblume is 36 cm wide at the top and 11 cm high in stretch formation, and 4 cm high in overall formation. The strainer's top and handle are made of stainless spring steel and food-safe silicone, so the strainer retains its shape. The rest of the sieve is made of food-safe silicone. The sieve can withstand temperatures up to 260 degrees and is BPA-free