A sleeping bag is an insulated covering for a person or couple, essentially a lightweight quilt that can be closed with a zipper or similar means to form a tube, which functions as lightweight, portable bedding in situations where a person is sleeping outdoors (e.g. when camping, hiking, hill walking or climbing). Its primary purpose is to provide warmth and thermal insulation through its synthetic or down insulation. It also typically has a water-resistant or water-repellent cover that protects, to some extent, against wind chill and light precipitation. More items.

Picnic blankets are also called picnic mats, cushions, etc. They are generally used for outdoor picnic mats, fitness mats, climbing mats, beach mats, moisture-proof mats, tent bottom mats, etc., which are very useful and versatile tools, both convenient and hygienic . Waterproof and comfortable. Various styles can be selection, such as tote type, cylindrical type and bag type, are easy to carry. When you go out to play, especially in the spring, it is very good to have a picnic blanket.  More items.