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What are the dimensions of the OSKA Series1A mattress?

The OSKA Series1 Advance mattress (often abbreviated as Series1A), the standard dimensions are:

  • Standard Single (3ft): 88 × 198 × 15 cm - Product code: PR13-054
  • Large Single (3ft 6): 105 × 198 × 15 cm - Product code: PR13-055
  • Small Double (4ft): 120 × 198 × 15 cm - Product code: PR13-066

Other key specifications:

  • Maximum user weight: 240 kg (38 stone) for standard sizes.
  • Maximum user weight: 318 kg (50 stone) for the 120 cm wide version.

Compared with the standard OSKA Series1, the Series1 Advance adds a heel-relief slope, firmer side walls for stability, and higher-specification castellated foam for improved immersion and pressure redistribution. [oska.uk.com]