What are the dimensions/weights of the sizes and can you make bespoke mattresses?

While we don't offer made-to-measure sizing, we have the Simba Hybrid® available in a wide range of UK and EU sizes:

   UK Single - (24kg) 90 x 190cm
   UK Small Double - (30kg) 120 x 190cm
   UK Double - (34kg) 135 x 1900cm
   UK King - (38kg) 150 x 200cm

   EU Single - (24kg) 90 x 200cm
   EU Double L - (36kg) 140 x 200cm
   EU Queen - (41kg) 160 x 200cm