• Goes on in one simple step - cloth diapering doesn't get easier
• The absorbency is topped with a stay dry layer that keeps baby comfortable
• Crafted with materials that are trim-fitting, lightweight, and quick to dry
• Cute and colorful outer waterproof layer
• One Size design provides a customizable fit for most babies from birth to potty
• Available with snap closures

Thirsties One Size All in One reusable diaper truly challenges the convenience and trim-fit of a disposable diaper.  This diaper offers absorbency, waterproof protection, and adjustability all rolled up into a stylish and comfortable cloth diaper.

The One Size All in One includes an absorbent soaker attached only in the front, for easier cleaning and fast drying.  Our lightweight and trim microfiber terry absorbs 3x its weight in liquid and is topped with a layer of stay dry microfleece.  Microfleece resists staining and pulls moisture away from the skin which keeps baby feeling dry even when the diaper is wet.

As a major job perk, we get to create delightful designs and colors for the waterproof fabric that is the outer layer of the One Size All in One.

For the best fit, we recommend waiting until your little one reaches at least 8lbs before using our one-size diapers. Some families choose to use our Newborn All in Ones for the first few weeks before switching to one-size diapers.

Proudly manufactured in the USA

Outer: 100% polyester with waterproof TPU laminate
Inner liner: 100% polyester microfleece
Inner absorbency: 1 layer of microfiber terry
Inner soaker: 100% polyester - 3 layers of microfiber terry topped with layer of microfleece

Before Using your Diapers: 

01. Invest in some cloth diaper safe laundry detergent that won’t leave a residue on the fibers of your diapers.  There are many options but a popular choice that you can find locally is Tide Free + Gentle.  Search online for Cloth Diaper Detergent Index to find a detergent that works for you. 

02. Prep-wash:  Wash and dry all of your new Thirsties products with detergent and warm water before use.

Washing Soiled Diapers:
typically every other day

01.  Wash on a Quick Wash cycle on warm with detergent to ‘pre-wash’ your Thirsties.

02.  Add more detergent and wash with hot water on a Heavy Duty Cycle with an extra rinse. Add washing soda or Calgon if you have very hard water.

03.  Hang dry in the sun whenever and wherever possible.  Alternatively, dry in dryer on medium-high heat for about 60-75 minutes until fully dry.  Add dryer balls for quicker drying.

Yep -- its really that easy!  But if you are the type of person who loves some really solid over explaining, you can find our comprehensive care instructions in our Customer Center -> Care and Use.