NAPSTAR SIZE GUIDE
Find The Right Fit.
Napstar nappies are designed for comfort, movement, and reliable everyday protection. Use this guide to choose the absolute best size for your baby.
Sizes run slightly larger — start one size down for the best fit.
Steps For Correct Fitting
- Our sizes run slightly larger than other brands. Start one size down for the best experience.
- A correctly fitted nappy should not be saggy around the leg cuffs.
- A correctly fitted nappy should sit comfortably below the belly button.
Size 3 (Crawler)
6 – 11 kg
3 to 12 months
Size 4 (Toddler)
9 – 14 kg
9 to 18 months
Size 5 (Walker)
12 – 17 kg
18 months to 3 years
Size 6 (Junior)
15+ kg
3 years+
Perfect for active crawlers. Features double leak barriers that stay secure during rolling and active play.
Things You Should Know
High Absorption
Our ultra-thin core remains completely dry to the touch even when full, outperforming traditional thick wood-pulp options.
Maximum Flexibility
An ultra-thin structure allows completely unrestricted play—the absolute closest feel to wearing real underwear.
Extremely Comfortable
Soft fabric layers coupled with a diamond-embossed top sheet ensure a gentle, irritation-free fit against sensitive skin.
No More Nappy Rash
The rapid-absorb core protects delicate skin from rash-causing wetness, keeping babies noticeably drier for longer hours.
No More Smelly Change Rooms
Engineered with advanced odour-lock technology that reduces lingering odours in busy nurseries or nursery bins.
Better Sustainability
No bulky wood-pulp fluff inside means fewer harvested trees and less general volume entering landfill systems.