Molblly has been one of the most popular mattress brands on Amazon for years, it sells a wide array of mattress models including gel infused memory foam and hybrids of multiple thicknesses.
I decided to look into Molblly fiberglass reports very early into the fiberglass mattress media explosion in early 2019, and then again in 2023.
Molblly Fiberglass Check 2019
Molblly didn’t have anything on its website regarding fiberglass back in 2019. I checked the FAQ page, as well as individual Molblly mattress pages for any flame barrier info, but came up empty-handed.
I decided to contact Molblly using its contact for, these are the questions I asked:
“Do any of your memory foam mattresses contain fiberglass, modacrylic, or “silica” in the covers or any other part of the mattress? What countries are your memory foam mattresses made in?”
This is the reply I received from Molblly:
“The inner cover of our memory foam mattress contains fiberglass..”
-Molblly (2019)
Molblly definitely used fiberglass through 2019.
Molblly Fiberglass Check 2023
After a few years had gone by, I noticed Molblly Amazon listings had started boasting “fiberglass free” in its product titles.
I wanted to check in on Molblly again to see if it had actually stopped putting potentially dangerous fiberglass in its mattresses.
There still wasn’t anything on Molblly’s website regarding fiberglass, so I just contacted the company and asked this question:
“Back in 2019 I emailed Molblly and was told all the Molblly mattresses contained fiberglass. But now I noticed Molblly mattresses on Amazon say “fiberglass free”. Is this correct?”
This is the second reply I got from Molblly regarding fiberglass:
“..due to the immature technology in the past, only glass fiber can achieve the effect of fire prevention. But fortunately, now another better material has been found to replace fiberglass for fire protection, so our current mattresses don’t have fiberglass anymore.”
-Molblly (2023)
Molblly states it is fiberglass-free, but fails to specify how flammability tests are passed without the use of fiberglass.
Molblly Flame Retardant Research
I wanted to know how Molblly is passing flammability testing regulations, so I reached out to Molblly multiple times for clarification.
My attempts to get flame barrier clarification from Molblly have all been ignored.
However, I’ve seen reports online that Molblly has told other consumers that its new flame barrier is 92% cotton and 8% polyester. While this sounds much safer than fiberglass, it also doesn’t make sense because cotton and polyester aren’t flame-retardant enough to pass mattress flammability tests without extra help from some other material or ingredient.
I decided to ask Molblly about this flame-retardant mystery ingredient, here’s the result:
If cotton and polyester were sufficient for a mattress flame barrier, fiberglass would have never been used in the first place.
Molblly states its new fiberglass-free flame barrier is just 92% cotton and 8% polyester, but I suspect that silica or a flame retardant chemical also being used while not being divulged.
Last Updated on March 19, 2024
While shopping for his daughter’s first “big girl” bed in 2019, John learned about the hidden dangers of fiberglass in mattresses. Since then, he’s made it his mission to expose as much hidden fiberglass in mattresses as possible. His ultimate goal is federal regulations that ban fiberglass from being used in mattresses, or at least a law that requires it to be listed as a material on required tags.