
Begin with the packed product
Record the total packed weight and how it sits in the bag. A flat carton distributes its load differently from a small, hard object or a group of bottles. Consider sharp edges, movement and whether the customer will carry more than one item. Choose the base dimensions around the actual pack.
Look at the handle attachment
A comfortable handle still needs a suitable connection to the bag. Review the attachment area, reinforcement, handle length and any holes or knots. Paper handles, ropes and ribbons have different structures; the appearance of a handle does not establish a safe working load.
Agree a meaningful test
Specify the load, duration, repetitions, handling conditions and acceptance criteria before testing. Ask whether a recognized method is required for your market or purchasing specification. Industry guidance from The Paper Bag discusses the complete construction and quality testing. Any test claim should identify the method and the tested bag rather than apply to every format.
Keep the approved reference
Test the relevant assembled sample with the intended pack and retain the result with the approved specification. A change in dimensions, paper, handle or construction can warrant a fresh assessment. Share your product weight when requesting a quotation from Shuhai; orders start at 500 pieces, and carrying requirements should be agreed before production.

