Good: i. Thick plastic.ii. quality zipper.iii. Looks like a good SpaceSaver bag but with custom printing. They don't make "very small" bags, but they do look something like this. Bad: a. There is no reason to move the valve b. Without desiccant bag. (I buy them in bulk.) Feedback: 1. The valve should be in the middle of the bag so the hole in the spool supports it so it never hits the opposite side.2. The side with the valve should be textured to keep the air from being trapped until it reaches a hard vacuum.3. Pockets should be in the shape of rounded squares so there is less excess material.4. There should be small, medium and large bags for different size coils.
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