Skip to product information
1 of 6

SNOO Smart Sleeper Sack - White

SNOO Smart Sleeper Sack - White

Regular price $34.95
Regular price Sale price $34.95
Sale Sold out

This award-winning swaddle sack was created by Dr. Harvey Karp, America’s most celebrated pediatrician. Dr. Karp is the doctor whose 5 S’s started the Swaddle Revolution and he designed every detail of SNOO Sleep Sack with baby safety—and parent sanity—in mind.

SNOO Sleep Sack is the ultra-soft, ultra-easy swaddle sack that helps babies be happier and sleep longer!


  • Includes: (1) 100% organic cotton swaddle with special wings that attach to SNOO
  • The world's first 5-second swaddle
  • Double zipper that allows to zip from top or bottom
  • Inner arm wrap with extra-quiet velcro for escape-proof security
  • Breathable mesh at shoulders and waist to reduce overheating
  • Promotes a healthier hip position
  • TOG* rating: 0.5, ideal for room temperatures between 74-78 degrees
  • Arm openings can unsnap to allow for arms out
  • Colors: Graphite Planets, Midnight Planets, Ivory Planets, Ivory Planets with Black Wings, Teal Planets, Rose Planets, Graphite Stars, Ivory

Intended for use in SNOO only

SNOO Sack Size Guide

  • Small: 5-12 lbs.
  • Medium: 12-18 lbs.
  • Large: 18-25 lbs.

*TOG stands for 'Thermal Overall Grade', which is a unit of measurement used to calculate the thermal insulation of garments. It is the standard when choosing the appropriate sleeping bag for your baby, taking in account the ambient temperature of the room where your baby sleeps.

Shipping & Returns

Free Shipping

Free Shipping applies to standard shipping orders over $95 within the continental U.S.A. Unfortunately, orders shipping to Alaska, Hawaii, Puerto Rico, or APO/FPO addresses do not qualify for free shipping.
Large furniture items that must ship as freight such as cribs, gliders and dressers have a separate furniture delivery fee.

Shipping Rates

Free 5-7 days shipping is available on every order over $95 (excluding taxes and shipping fees) in the continental U.S.A. If you are in need of expedited shipping, the cost will be dependent upon your area and how fast you are wanting it shipped to you. You can get a shipping quote in your cart at checkout.

Shipping Timeline

For standard shipping, FedEx and USPS have up to 5-7 business days to deliver your order. However, most items arrive within 3-5 business days.

To track your package, follow one of the links below:

United States Postal Service (USPS) Tracking:

FedEx Tracking:

View full details