Prime non-stick silicone baking mats are FDA approved and BPA free. Set includes:1 full sheet mat (23x15.2"), 1 half sheet mat (16.5x11.6"), and 1 quarter sheet mat (11.8x8.3").  Cold and heat resistant: safe temperatures from -40F to 482F (-40C to 250C).  Dual sided and safe to use in microwaves, freezers and dishwashers.