Compare Jay-Be Flex Ultra-Firm Open Coil Spring Mattress vs Emma Original Classic Mattress: price history and specs

Deal verdict

Too early to call.

We need 30 days of prices for the Jay-Be Flex Ultra-Firm Open Coil Spring Mattress before judging the deal.

Happy Beds

Jay-Be Flex Ultra-Firm Open Coil Spring Mattress

Not enough history yet

£339 Double · Open coil

£339 today. We started tracking this on 13 Nov 2026. A verdict needs 30 days of prices.

  • Price
See it at Happy Beds

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Emma

Emma Original Classic Mattress

Good time to buy

£501.75 Double

£501.75 is a genuine low. It's been this cheap for only 5% of the 37 days we've tracked.

  • Price
See it at Emma

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Specs side by side

Jay-Be Flex Ultra-Firm Open Coil Spring MattressEmma Original Classic Mattress
FirmnessExtra firmNot stated
Mattress typeOpen coilNot stated
Warranty5 years10 years
LayersNot stated3
SizesSingle, Small Double, Double, KingSingle, Small Double, Double, King, EU Double, Queen, Super King

Specs are the figures each retailer publishes. Prices are for the size shown above.