Amazon has AmazonBasics Silicone Baking Mat - 2 Pack
For $9.32 was $13.99
2 non-stick silicone baking mats for easy and convenient baking
No need for oil, cooking sprays, or parchment paper
Oven-safe up to 480 degrees F
Fits half-sheet size pans; easy to clean
Each baking mat measures approximately 11.6×16.5 inches (LxW)