Little Unicorn Cotton Muslin Sleep Bag
The Little Unicorn Cotton Muslin Sleep Bag is rated 1.1 TOG, per Little Unicorn. Lightweight muslin sleep bag in four sizes through 24 months.
- $49.99List price
- 1.1TOG
- 4Sizes
How the Cotton Muslin Sleep Bag stacks up
Against the 39 sleep sacks we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for sleep sacks (0.5 to 1.5).
Within the typical range for sleep sacks ($34.99 to $58).
What sets the Cotton Muslin Sleep Bag apart
Measured against the 39 sleep sacks we compare, from each maker's published specs.
Next to its closest matches
- aden + anais Organic Cotton Light Sleep Sack (1.0 TOG)Next to it, the Cotton Muslin Sleep Bag is 0.1 higher TOG.
- aden + anais Boutique Muslin Light Sleep Sack (1.0 TOG)Next to it, the Cotton Muslin Sleep Bag is 0.1 higher TOG.
- Love to Dream Long Sleeve Sleep BagNext to it, the Cotton Muslin Sleep Bag is 0.1 higher TOG.
Size chart
| Size | Weight | Height | Age |
|---|---|---|---|
| Small | 10–18 lb | 23–26 in | 0–6 months |
| Medium | 16–24 lb | 26–30 in | 6–12 months |
| Large | 20–28 lb | 28–32 in | 12–18 months |
| X-Large | 27–30 lb | 30–35 in | 18–24 months |
As Little Unicorn publishes it.
TOG rating
Little Unicorn rates it 1.1 TOG. TOG is a warmth rating for the fabric: higher is warmer. See the maker's page
Listed features
- Wide size range
- Two-way zip for changes
Where to buy the Cotton Muslin Sleep Bag
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Swaddling and safe sleep: see the AAP's swaddling page and guide to safe sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Little Unicorn Cotton Muslin Sleep Bag | |
|---|---|
| Type | Sleep sack |
| List price | $49.99 |
| Sizes | Small: 10–18 lb, 23–26 in, 0–6 months Medium: 16–24 lb, 26–30 in, 6–12 months Large: 20–28 lb, 28–32 in, 12–18 months X-Large: 27–30 lb, 30–35 in, 18–24 months |
| TOG | 1.1 |
| Arms | Arms out |
| Closure | 2-way zipper |
| Material | Cotton muslin |
| Machine washable | Yes |
| Maker's use notes | Move from swaddle to sleep bag once baby rolls and wiggles out of swaddles |
Compare the Cotton Muslin Sleep Bag with
How each closest rival differs from the Cotton Muslin Sleep Bag, from the makers' specs.
- aden + anaisOrganic Cotton Light Sleep Sack (1.0 TOG)1 TOG$49$49.99
- 0.1 lower TOG
- aden + anaisBoutique Muslin Light Sleep Sack (1.0 TOG)1 TOG$49$49.99
- 0.1 lower TOG
- Love to DreamLong Sleeve Sleep Bag1 TOG$49$49.95
- 0.1 lower TOG
- $0 less
- Love to DreamSleep Suit (Long Sleeve, Cotton Fleece 1.5 TOG)1.5 TOG$49$49.95
- 0.4 higher TOG
- $0 less
Cotton Muslin Sleep Bag: questions answered
From Little Unicorn's published specs, last checked 2026-11-02.
What sizes does the Little Unicorn Cotton Muslin Sleep Bag come in?
Per the maker: Small (10 to 18 lb, 0 to 6 months); Medium (16 to 24 lb, 6 to 12 months); Large (20 to 28 lb, 12 to 18 months); X-Large (27 to 30 lb, 18 to 24 months). Check the maker's size chart.
How warm is the Little Unicorn Cotton Muslin Sleep Bag?
It is 1.1 TOG. TOG is a fabric warmth rating. Each maker publishes its own room-temperature chart; use the chart for the product you have. Safe sleep: see the AAP's guide to safe sleep and NICHD Safe to Sleep. Check the label and the maker's instructions, and ask your pediatrician about your child.
What's the difference between the Little Unicorn Cotton Muslin Sleep Bag and the aden + anais Organic Cotton Light Sleep Sack (1.0 TOG)?
By the maker specs, the Organic Cotton Light Sleep Sack (1.0 TOG) is lighter (1 vs 1.1 TOG). See them side by side.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More sleep sacks
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- Little SleepiesSleepy Bag (0.5, 1.5, 2.5 TOG)0.5 TOG$50$50
- Copper PearlBamboo Sleep Bag0.5 TOG$50$50
- embéLaylo Sleeper Sack DUO0.5 TOG$47$47.99
- ErgobabyOn the Move Sleep Bag$39$39
- Copper PearlSleep Bag1.7 TOG$46$46
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.