Is the SleepSack Wearable Blanket chemically treated with flame retardant chemicals? December 18, 2024 20:18 Updated No! The fabric and fibers used to make our garments are not chemically treated in any way. Related articles What is a TOG Value? Does the SleepSack Wearable Blanket meet the Consumer Products Safety Commission (CPSC) guidelines for fabric flammability? How does the SleepSack Wearable Blanket help babies sleep safely? Is the SleepSack Swaddle chemically treated with flame retardant chemicals? How do I transition my baby from Swaddling to a SleepSack Wearable Blanket?