The Office of Fair Trading is urging people to check the labels when it comes to bedding.
Its warning comes after a 62-year-old from the UK was convicted at Douglas Courthouse of selling unsafe memory foam mattresses without a licence.
Neil Young of Lancashire was given a jail term of six weeks, suspended for two years, after admitting two offences.
John Peet, chief inspector at the OFT, says the prosecution came after painstaking detective work:
Officers and partner agencies praised following immigration fraud conviction
Fraudster jailed following Operation Helios
Work to improve mooring at Ferry Terminal in Liverpool scheduled for next week
DOI asks Steam Packet to reschedule sailings due to crane unavailability
Manx Care reports major drop in dental waiting lists
Health body says renegotiated contracts have cut delays by more than 75 percent
Police 'disappointed' to find more than half of vehicles with defects in latest winter checks
25 of the 47 drivers stopped in Ballasalla had issues with their vehicles