Brand vs brand

Cloud Island vs Little Sleepies sizes

Of Cloud Island's 8 baby and toddler sizes, 3 line up closely with a Little Sleepies size, 4 are partial matches, and 1 has no clean match. Both charts list weight and height, so the comparison uses both.

Closest pairs: Cloud Island Newborn = Little Sleepies Newborn, Cloud Island 0-3M = Little Sleepies 0-3M, Cloud Island 18M = Little Sleepies 12-18M.

Watch the labels: Cloud Island 0-3M is closer to Little Sleepies 0-3M than to Little Sleepies' own 0-3M; Cloud Island 3-6M is closer to Little Sleepies 3-6M than to Little Sleepies' own 3-6M.

Cloud Island True to sizeLittle Sleepies True to size

Based on published size charts compared with other brands.

Size by size, on one scale

Each block is one size, placed where the brand's chart puts it. Blocks that sit above each other fit the same baby.

Weight (lb)

Cloud Island

Preemie: up to 5.5 lb
Newborn: 6 to 8.5 lb
0-3M: 9 to 12 lb
3-6M: 12.5 to 16 lb
6-9M: 16.5 to 19.5 lb
12M: 20 to 23 lb
18M: 23.5 to 26 lb
24M: 26.5 to 28 lb

Little Sleepies

Preemie: up to 5 lb
Newborn: 5 to 8 lb
0-3M: 8 to 12 lb
3-6M: 12 to 17 lb
6-12M: 17 to 23 lb
12-18M: 23 to 26 lb
18-24M: 26 to 30 lb
2T: 29 to 31 lb
3T: 31 to 35 lb
4T: 35 to 39 lb

Height (in)

Cloud Island

Preemie: up to 17.5 in
Newborn: 18 to 20 in
0-3M: 20.5 to 23.5 in
3-6M: 24 to 25.5 in
6-9M: 26 to 27.5 in
12M: 28 to 30.5 in
18M: 31 to 32.5 in
24M: 33 to 35.5 in

Little Sleepies

Preemie: up to 18 in
Newborn: 18 to 21 in
0-3M: 21 to 23 in
3-6M: 23 to 27 in
6-12M: 27 to 31 in
12-18M: 31 to 33 in
18-24M: 33 to 34.5 in
2T: 33 to 36 in
3T: 36 to 39 in
4T: 39 to 42 in

Cloud Island size to Little Sleepies size

Cloud Island	Closest Little Sleepies	Match	Weight: Cloud Island / Little Sleepies	Height: Cloud Island / Little Sleepies
Preemie	Preemie	Partial	up to 5.5 lb / up to 5 lb	up to 17.5 in / up to 18 in
Newborn	Newborn	Close match	6 to 8.5 lb / 5 to 8 lb	18 to 20 in / 18 to 21 in
0-3M	0-3M	Close match	9 to 12 lb / 8 to 12 lb	20.5 to 23.5 in / 21 to 23 in
3-6M	3-6M	Partial	12.5 to 16 lb / 12 to 17 lb	24 to 25.5 in / 23 to 27 in
6-9M	6-12M	No clean match	16.5 to 19.5 lb / 17 to 23 lb	26 to 27.5 in / 27 to 31 in
12M	6-12M	Partial	20 to 23 lb / 17 to 23 lb	28 to 30.5 in / 27 to 31 in
18M	12-18M	Close match	23.5 to 26 lb / 23 to 26 lb	31 to 32.5 in / 31 to 33 in
24M	18-24M	Partial	26.5 to 28 lb / 26 to 30 lb	33 to 35.5 in / 33 to 34.5 in

Little Sleepies size to Cloud Island size

Little Sleepies	Closest Cloud Island	Match	Weight: Little Sleepies / Cloud Island	Height: Little Sleepies / Cloud Island
Preemie	Preemie	Partial	up to 5 lb / up to 5.5 lb	up to 18 in / up to 17.5 in
Newborn	Newborn	Close match	5 to 8 lb / 6 to 8.5 lb	18 to 21 in / 18 to 20 in
0-3M	0-3M	Close match	8 to 12 lb / 9 to 12 lb	21 to 23 in / 20.5 to 23.5 in
3-6M	3-6M	Partial	12 to 17 lb / 12.5 to 16 lb	23 to 27 in / 24 to 25.5 in
6-12M	12M	Partial	17 to 23 lb / 20 to 23 lb	27 to 31 in / 28 to 30.5 in
12-18M	18M	Close match	23 to 26 lb / 23.5 to 26 lb	31 to 33 in / 31 to 32.5 in
18-24M	24M	Partial	26 to 30 lb / 26.5 to 28 lb	33 to 34.5 in / 33 to 35.5 in
2T	24M	Partial	29 to 31 lb / 26.5 to 28 lb	33 to 36 in / 33 to 35.5 in
3T	None	No clean match	31 to 35 lb / n/a	36 to 39 in / n/a
4T	None	No clean match	35 to 39 lb / n/a	39 to 42 in / n/a

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Every Cloud Island size in Little Sleepies

Close match

Cloud Island Newborn lines up closely with Little Sleepies Newborn.

Weight (lb)

Cloud Island Newborn 6 to 8.5 lb

Little Sleepies Newborn 5 to 8 lb

Little Sleepies 0-3M 8 to 12 lb

Height (in)

Cloud Island Newborn 18 to 20 in

Little Sleepies Newborn 18 to 21 in

Little Sleepies 0-3M 21 to 23 in

The shaded column is the Cloud Island range. Bars show what each brand publishes for the size.

Based on published size charts. Cloud Island chart and Little Sleepies chart.

More comparisons

Charts retrieved October 4, 2026 (Cloud Island) and October 4, 2026 (Little Sleepies). Sources are listed on each brand page. This site is not affiliated with either brand.