Poor quality duvet covers are usually mixed with duck and goose down. The national standard allows duvet covers to contain no more than 15% duck down. Due to the complex dietary characteristics of ducks, duck down has the body odor. A large amount of detergent is needed to remove the taste of duck down, which will damage the down and cause the falling off the feathers, and also increase the cost of the filling. Therefore, a good duvet cover should have no peculiar smell.
There are two types of intensity to touch. The first type of intensity is floating on the surface, that is, gently and quickly stroking the outer fabric of the duvet cover back and forth. You can feel a soft, skin-friendly feeling by touching, and you will also feel a silky smooth feeling. If you get a slightly piercing touch through the feedback of touching, it means that the fabric is not good enough, at least it does not meet the skin-friendly requirements. In addition, you must rub the surface of the fabric quickly back and forth. The close-fitting quilt must ensure the silent performance of the fabric. It is not recommended to buy the fabric with the sound of "swishes" because even when you turn over, the noise may cause you to wake up.
The second kind of intensity is to increase the intensity, to be precise, it is to grasp the duvet cover with fillings vigorously. If you feel that there are obvious feather stalks in the process of grasping, then you have bought a real duvet cover. When you grasp many quilts that claim to contain 95% down, you cannot touch a stalk, and you have to doubt whether the filling is down.
Good duvet covers can be quickly restored to its original shape with a shake, so we can quickly judge the uniformity of a duvet cover and the overall bulkiness and resilience of the goose down by shaking. You can open the package to spread the quilt flat. A good duvet cover has a high content of down. Shake the duvet cover and immediately it will return to its fluffy state.
In addition to the "smell, touch and shake" methods before, we also need to look carefully at the details of the stitching of the fabric of the duvet cover, which directly determines the durability and overall quality of the duvet cover. If the duvet cover is expensive, even a thread should not be allowed! Observing the edge banding, we can see that the double-needle hemming technology is used, and the white satin edge is also made, which effectively improve the durability.
Of course the last thing to do is to try. The simple test mainly focuses on the following aspects of the duvet cover. The first one is that we can gently tap the duvet cover under the sunlight. If there are many dust-like particles or fine particles in the light after tapping, it shows that the duvet cover has the disadvantage of down feather running out, and the fabric is not sealed well. A qualified duvet cover does not have this problem. In the end, it must be breathable. The airtight quilt will be stuffy and sweaty. It is very uncomfortable to sleep in a sticky quilt in the bed. In winter, we sleep on the bed a lot. Here I take a cup of hot water to do a little test, and you can see that the duvet cover with good air permeability is very easy to expel the water vapor inside.