There's nothin' wrong with a little more muffin. PushPan knows you want every moist morsel of your favorite muffins to make it to your mouth, not stay in the pan. That's why his unique pan design features leak-proof, push-out muffin cups that press out with ease; no liners required. More muffin to love. Less mess left behind. Fast and efficient removal of your baked goods without sticking or breaking apart. SILVER ANODISED ALUMINIUM Metal tool friendly (avoid sharp knives) Heavy gauge 3003 alloy The silicone seal is made from high quality materials that pass both FDA and LFGB and does not need removing when washed 0.8mm to 1.2mm Gauge (depending on item) Not suitable for dishwashers (will discolour) Will last a lifetime - no coating to wear off Will not rust, peel, or blister 4x faster to heat up vs non-stick/steel bakeware. 12 Cup Muffin *Each cup at 7cm x 2.5cm / 2.75" x 1” *Pan Size External: Height: 3.5cm / 1.38" Length: 42cm / 16.5" Width: 30cm / 11.8" *approx * Not suitable for dishwashers (will discolour) TIP: The seal is very efficient. Before first use, we advise washing and drying the pan. Next, coat the inside and the base with a small amount of cooking oil then push in the base. This will help when pushing up the base and also enhance the pan’s performance.