Quick answer
For a baby's crib, choose a duvet cover measuring 80x120 cm. For a toddler or child's single bed, a 140x200 cm size is standard. 100% cotton is the best fabric for breathability and easy care.
Why size matters for baby duvet covers
A duvet cover that is too large can bunch up and create a suffocation risk. A cover that is too small will not stay on the duvet insert. Always measure your child's mattress or duvet insert before buying. The two most common sizes are 80x120 cm for cribs and 140x200 cm for standard single beds, which many children transition to around age 2-3.
Fabric choice: cotton vs. alternatives
Cotton is the gold standard for baby bedding because it is soft, breathable, and easy to wash at high temperatures. While microfiber or blends may be cheaper, they trap heat and are less durable. For a baby's sensitive skin, 100% cotton is the safest and most comfortable option.
Decision rules for choosing a baby duvet cover
- Measure your mattress or duvet insert first: Do not guess. Use a tape measure to get the exact length and width. A duvet cover should be the same size as your duvet insert, or up to 5 cm larger to allow for shrinkage.
- Choose 100% cotton for safety and comfort: Cotton is breathable, hypoallergenic, and can be washed at 60°C (140°F) to kill dust mites. Avoid synthetic blends for babies under 12 months. Check the care label: cotton duvet covers can be tumble dried on low.
- Select the right closure type: Buttons, zippers, or ties all work, but zippers are safest for babies as they cannot come undone and pose a choking hazard. Buttons should be securely sewn.
- Consider the color and pattern: Light, solid colors or simple patterns are calming for sleep. Dark or busy prints may overstimulate. White or pastel shades also show dirt easily, so wash more often.
Product highlights
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BABY DUVET COVER 80 X 120 -MERCI - BLANC DE MEUDON: This 80x120 cm duvet cover is made from 100% cotton and designed in collaboration with Merci. Perfect size for a standard baby crib, and the delicate cotton is gentle on your baby's skin.
BABY DUVET COVER 80 X 120 -MERCI - BLANC DE MEUDON
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CHILD DUVET COVER 140 X 200 - VERT 77 RUE DE VARENNE: This 140x200 cm duvet cover is also 100% cotton, with a playful green colorway. The larger size fits a toddler or child's single bed, and the cotton fabric ensures breathability for a comfortable sleep.
CHILD DUVET COVER 140 X 200 - VERT 77 RUE DE VARENNE
Who should choose which size?
Best for
- 80x120 cm duvet cover: newborn to 2-year-old in a standard crib or mini crib
- 140x200 cm duvet cover: toddler (2+) or child using a single bed
Not ideal for
- 80x120 cm: a child who has outgrown the crib or uses a single bed
- 140x200 cm: a baby still in a Moses basket or small crib (too large and unsafe)
