1.First check the front and backside printing of the paper surfance to see if the color meet the customer requirement: The perfect printing need to in bright colors, no color difference and impurities. The printed content should be same as the design draft, without shifting. If necessary, check base on Pantone color book.
2. Check whether the size of the cutting meet the design requirement: Usually, before making an order, we will make a cutting drawing according to the customer’s artwork.The mass production goods will according to the cutting drawing exactly. The edge of the paper will be very smooth without burrs.
3. Check the thickness of custom auto air fresheners. The standard thickness of inside absorbent paper should be round 2mm to 3mm. However, some customers have special requirement, which need to 3mm-4mm.
Poor quality one generally less than 1mm thick. As shown on the right picture, the top one looks very thin and absorbent paper in yellow color,that means the quality of absorbent paper is bad.You can see the good quality one at bottom,both color and thickness of absorbent part look good.
4. Check whether the fragrance of the paper air freshener meet the customer’s requirements. A good fragrance smells natural and strong.
Through the above tests, you can confirm whether a auto air freshener is a good product.