Goohochy Food Grade Silicone Baking Mat with Scale for Kitchen Use Red Color Safe and Easy to Clean Flexible Storage 11.8 x 15.7 inches

Walmart - Shisuyan

Red silicone material matches exactly, Visible grid pattern (concentric circles) matches, Measurements along the edges match, Measurements are in a lighter color against the red background, matching the source, Overall form factor and dimensions appear consistent, Category 'Baking Mats' aligns perfectly

Wilton Silicone Baking Mat

Walmart - Diag Cattle Company

Silicone material, Baking mat category, Includes measurements