What are the quality issues with biodegradable dog poop bags?

Check the quality of biodegradable dog poop bags can in the following ways：
1.As a biodegradable dog poop bags ,the most important is that the bag must been made by 100% biodegradable and compostable materials and witno PE plastic in side,So it should be certified by compost certificates of EN13432,OK Compost ,BPI,AS4736 and AS5810 cerfificates.

2.Biodegradable dog poop bags must to be strong enough to meet certain weight-bearing requirements and not leak on the bag bottom.

3.Dog poop bags should have a nice look and if there is printing, the print design should be clear and beautiful.

4.Easy to been open and use,hen using a dog poop bag, the poop bag should be easy to open, so that the pet waste can be disposed of in time without wasting extra time for opening the bag.

5.Dog poop bag rolls must be sealed with movable self-adhesive stickers，when open the roll the sticker can been teared off easily and with out damage the bags.

6.Dog poop bags should be with a right size (23cm x 33cm) and when make it on roll can suit for the dispenser very well.

7.Biodegradable dog poop bags must with a long time self life ,usually it is at least for one year .Bad quality biodegradable dog poop bags will reduce the strength of the bag in a short period of time and affect the use.

8.biodegradable dog poop bag usually with professional biodegradable packaging,usually it can been packed by biodegradable craft paper box .

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