Age: 0-8M, Stage 1 For ages 8-36M, there is the GRAND model. Measurements 460 mm wide x 750-850 mm long [750 mm with clasps closed and 850 mm with clasps open] Weight (excl. packaging): 1400 g Weight (incl. packaging): 1650 g Materials Cover: 100% cotton Oeko-Tex Standard 100 Class 1 certified Filling: 100% polyester Oeko-Tex Standard 100 Class 1 certified Testing and Certification Sleepyhead® has received the following certifications in the US, Canada and EU: Oeko-Tex certification, Standard 100, Class 1 (EU) All components Intertek tested for and proven free from harmful substances Tested for compliance with US Consumer Product Safety Improvement Act of 2008 Tension tested for 'Normal and reasonably foreseeable use and abuse’ Air permability according to BS4578 (UK) Resistant to ignition according to BS5852 (UK) 16 CRF 1632 flammability test compliant 16 CFR 1500.50 small parts and use & abuse test compliant Free from phtalates Free from heavy metals ASTM F-963-11 compliant California Bulletins 116 and 117 flammability test compliant California Proposition 65 compliant 16 CFR PART 1500.53(f) (1-1-12) (CAN) compliant CAN/CGSB-4.2 N° 27.5-2008 compliant Mattress pad is compliant with AU/NZS 8811.1:2013 Infant sleep surfaces - test for firmness ASTM D3574-08 Indentation Force Deflection test (US) proves high support factor Free from FR treatment REACH compliant