The foldable strainer from Kochblume is 28 cm wide at the top and 10 cm high in stretch formation, and 3.5 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.