What is the coil gauge of the coils in the Micro-Coil Mattress Topper? May 12, 2023 14:54 Updated The recycled steel coils in our micro-coil topper are 18 gauge. Related articles What is the coil count in the Micro-Coil Mattress Topper? How much weight can the Saatva Classic support? My delivery is delayed. What happens to my statement? How do I make my payments? What's the difference between a bed frame and a bed base?