Which baby mattress size do you need?
Find the right mattress category for your frame. Always measure inside the frame.
Shop at Baby Kingdom
- Ickle Bubba Fibre Cot Mattress 120 x 60 cm
- Obaby 100 x 50cm Foam Cot Mattress with Washable Cover
- Jay-Be® Toddler Waterproof Anti-Allergy Anti-Microbial Sprung Mattress
- Jay-Be® Toddler Anti-Allergy Micro e-Pocket™ Mattress
Check each product page for its exact dimensions, mattress size, age and weight limits and safety standards.
More advice
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Sources
- The Lullaby Trust: Baby mattresses and bedding (accessed 2026-10-21)
General information only, not medical advice. Always follow your product's instructions. If you are worried about your baby, contact your GP, health visitor or 111. In an emergency, call 999.