Outwell says about the Dreamhaven Double 15 cm
The Dreamhaven range features the Outwell® FHF (Flat High-Flow) valve with its enhanced air flow for both inflation and deflation. Delivering exceptional performance at a keen price point, designs feature a 3-D shape with a deep profile for outstanding comfort. The 3-D profile is supported by vertical side static fabric panels which do not bend under pressure and aid easy inflation as less air needs to be pumped. Weight and packed size are reduced further by the use of horizontal air channels. A carrybag with shoulder strap is included for easy storage and carrying.