A size 8 and a size 9 are for bigger babies and older kids who aren't trained. Example: A size 8 diaper is for babies over 50 pounds and a size 9 diaper is for older children who are not potty trained and they go up to over 70+ pounds.
Amazon.com: Pampers Size 8: Baby Products.
Pampers Diapers Size 9 : Target.
Size 7 & Teen Diapers
Youth diapers are extra small adult diapers used by children and teens through their growing years.
Disposable Children's Diaper Size 7 Fits 41+ lbs., 17.3 - 25.1" Waist.
The two most popular disposable diaper brands - Huggies and Pampers - are similar in price and range, but Pampers are available in larger sizes.
Diapers can be necessary for adults with various conditions, such as incontinence, mobility impairment, severe diarrhea or dementia. Adult diapers are made in various forms, including those resembling traditional child diapers, underpants, and pads resembling sanitary napkins (known as incontinence pads).
Diaper companies know this, so larger sizes are designed to hold more urine. By sizing up your diaper, you're basically increasing your absorbency. For example, a Huggies Size 6 diaper holds 7 to 13 more ounces than their Size 5 diaper.
Baby Diapers Size 7, 68 Ct, Huggies Little Movers.
For Growing Babies
At this stage, consider Pampers Baby-Dry, Pampers Cruisers, or Pampers Cruisers 360°, which all come in diaper sizes 3 to 6 (and size 7 for Pampers Cruisers and Pampers Cruisers 360°).
If you can't comfortably fit two fingers under the waistband of the fastened diaper, it's time for a bigger size. You may need to go up a size if you notice red marks on your baby's tummy or thighs when you remove the diaper. If the diaper isn't fully covering your baby's bottom, choose a bigger size.
Most children will complete toilet training and be ready to stop using diapers between 18 and 30 months of age,1 but this certainly isn't the case for all kids. Some children are not fully out of diapers until after the age of 4.
Sizes vary among brands, but in general, diaper sizes start off with Preemie or Newborn and go up to a Size 6. Also, keep in mind, brands may have different diaper styles for different sizes and ages.
After the first week, your baby is well hydrated if they have at least 6 wet diapers per day, with no more than 8 hours between wet diapers. If either of those conditions is not met, your baby may be dehydrated.
Diapers Size 7, 44 Count - Pampers Pull On Cruisers 360° Fit Disposable Baby Diapers with Stretchy Waistband, Super Pack (Packaging May Vary)
With Tabs Fastened Easily
First of all, the diaper tabs go in the front, near your baby's tummy. They should fasten easily without having to tug them too much. If the tabs meet or overlap in the middle with no problem, the diaper might be too big.
Pampers Baby-Dry Size 8 Nappies Jumbo+ Pack.
Pampers Baby-Dry Nappy Pants Size 8, 22 Nappies, 19kg+ | Boots.