All four calibrated - placed in ice water for two minutes - should be 32 degrees Fahrenheit. Read 32,34,38,38. So two out of four are usable. The other two are garbage. There is no way to customize them. So for $10 I got two; not expensive yet. By the way, they are not waterproof.
2-Pack European Grade Silicone Bunte Cake Pan Set - Non Stick Bakeware Fluted Tube Mold For Jello, Gelatin & Cakes | 9 Inch Baking Pans | Aokinle | BPA Free
38 Review
300PCS Pre-Cut Unbleached Parchment Paper Sheets - Perfect For Baking, Grilling, Air Fryer & Steaming!
36 Review
AmazonBasics Silicone Baking Mat Sheet
48 Review
4 Pack 12 Inch Stainless Steel Round Pizza Baking Pan Tray Crisper Sheet Oven Cooking Healthy For Pizzas - Deedro
47 Review