Trilateral sealing bag

顧名思義即三邊封口，留一個開口裝產品，是常見的食品包裝袋類型。三邊封袋有兩個側面接縫和一個頂部接縫，這種包裝袋可以折疊也可以不折疊。有折邊時可以直立地站在架子上。

As the name implies, it is the most common type of food packaging bag that three sides are sealed and one opening is reserved for products. The three-side sealing bag has two side seams and one top seam, which can be folded or not. You can stand upright on the shelf when there are folding edges.

自立袋

Self-supporting bag

自立袋型的食品包裝袋，就如同名字一樣好理解，它可以獨立站起來，立在貨柜上。因此展現效果更佳，更美觀。

The self-supporting food packaging bag is as easy to understand as the name. It can stand up independently and stand on the container. Therefore, the display effect is better and more beautiful.

八邊封袋

Octagonal sealing bag

這是一種在自立袋的基礎上開發的袋型，由于底部是方形的，所以也可以直立。這種袋式更加立體，有正面、側面和底部三個平面。相比于自立袋，八邊封袋有著更多的印刷空間和產品展示，能更好的吸引消費者的注意力。

This is a bag type developed on the basis of self-supporting bags. Because the bottom is square, it can also be upright. This kind of bag is more three-dimensional, with three planes: front, side and bottom. Compared with self-supporting bags, octagonal sealed bags have more printing space and product display, which can better attract consumers' attention.

吸嘴袋

Suction bag

吸嘴袋有兩部分組成，上邊是獨立的吸嘴，下面是自立袋。這種袋型是包裝液體、粉末等產品的，如果汁、飲料、牛奶、自立拉鏈袋

The suction nozzle bag is composed of two parts. The upper part is an independent suction nozzle, and the lower part is a self-supporting bag. This type of bag is the first choice for packaging liquid, powder and other products, such as juice, beverage, milk, self-supporting zipper bags

自立拉鏈袋，即包裝上方加了可開口的拉鏈，方便保存和食用，避免了受潮。這種袋型柔韌性好，防潮防水，不易破損。

Self-supporting zipper bag, that is, an openable zipper is added on the top of the package, which is convenient for storage and consumption and avoids moisture. This kind of bag is flexible, moisture-proof and waterproof, and not easy to be damaged.

第6種：背封袋

Type 6: Back sealing bag

背封袋是一種被封住袋子背面邊緣的包裝袋型。這種袋型沒有開口，需要手撕，多用于沖劑小包、糖果、乳制品等。

The back sealing bag is a packaging bag type that is sealed at the back edge of the bag. This kind of bag has no opening and needs to be torn by hand. It is mainly used for small pouches, candy, dairy products, etc.