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Oversized Waterproof Lightweight Sleeping Bag

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Product Details

Discover Outdoor Comfort Like Never Before

Introducing our Oversized Sleeping Bag – your ticket to a world of cozy nights under the stars. This generously sized, 39″ x 80″ rectangular sleeping bag is designed for adventurers who refuse to compromise on comfort.

Your Cozy Retreat, Anywhere

Sleeping outdoors has never felt this close to home. The rugged twill outer shell is not just soft but also durable, ensuring that your sleeping sanctuary withstands the rigors of the great outdoors. The breathable cotton flannel liner adds an extra touch of luxury, making every night a comfortable retreat.

Unleash Versatility: From Sleeping Bag to Comforter

This is more than just a sleeping bag; it’s a multi-functional comfort companion. Need a blanket instead? Simply unzip the bag completely and transform it into a cozy comforter. The large, double-sliding zippers make entering and exiting a breeze, while also offering foot ventilation options for customizable comfort.

Warmth That Lasts

When temperatures plummet, our synthetic fiber fill provides the warmth you need. The quilted design ensures that the fill stays in place, eliminating any cold spots and keeping you toasty throughout the night. The oversized fit allows you to stretch out and enjoy a truly restful sleep, even in the chilliest weather.

Easy Care, Hassle-Free Adventures

  • Anti-snag technology ensures a smooth, fuss-free zipper experience.
  • Elastic roll straps make packing and unpacking a breeze, keeping your sleeping bag secure and compact on the go.
  • Designed for easy care, so you can focus on the adventure, not the cleanup.

Specifications That Impress

  • Category: Cotton Sleeping Bag
  • Temperature Scale: Winter Sleeping Bag (Comfortable Temperature Scale: -10℃~-20℃)
  • Style: Envelope Type | Type: 3 Season
  • Fabric: Nylon | Filling: Cotton
  • Seasons: Spring & Autumn, Winter
  • Size: Lengthened (1.8 m-2 m Height) | Suitable for Adults

Your Next Adventure Awaits

Upgrade your outdoor experience with the Oversized Sleeping Bag – where comfort meets adventure. Embrace the freedom to sleep under the stars without sacrificing the comforts of home. Order yours now and make every night an outdoor retreat!

Shipping & Delivery


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have been shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 5-20 Business days
Canada, Europe 5-20 Business days
Australia, New Zealand 5-20 Business days
Central & South America 5-25 Business days
Asia 5-20 Business days
Africa 5-25 Business days
*This doesn’t include our 1-3 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time (45 days not including 1-3 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of cosmoso.shop (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of cosmoso.shop.

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing, you must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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