Functional Bags
Sales Rep Sample Case Design: How to Turn a Demo Kit into a Clear Brief
Turn a real demo kit into a practical case brief by mapping samples, access order, internal layout, carrying needs, and first-sample checks.
pengtourWhat Is a Sewn Case? Materials, Design Options, and Sample Checks
A practical B2B guide to sewn case structures, materials, manufacturing steps, and first-sample checks for custom functional bag projects.
pengtourTypes of Travel Bags: Uses, Structures, and How to Choose
Compare six non-backpack travel bag types, their uses and structures, and learn what to confirm before sampling a custom sewn-bag project.
pengtourIs EVA Foam Toxic? What Protective Case Buyers Should Verify
EVA is a material family, not a universal safety conclusion. This guide shows protective-case buyers how to check grades, components, documents, markets, and sample scope.
pengtourHow to Compare Makeup Bag Manufacturers for a Custom Project
Compare makeup bag manufacturers using the same RFQ, quotation scope, sample checks, revision records, and project-specific evidence.
pengtourDuffel Bag Sizes: How Buyers Should Specify Dimensions, Capacity, and Fit
Learn how to specify duffel bag dimensions, usable space, intended contents, and first-sample fit checks for custom travel, sports, and gym bags.
pengtourTypes of Backpacks: Categories, Styles, and Uses
Learn how backpacks are classified by use, structure, organization, capacity, and contents, then turn the selected direction into clear inputs for custom sample development.
pengtourBackpack Sizes: A Guide to Dimensions, Capacity, and Uses
Use actual contents, dimensions, capacity, compartments, and carrying needs to choose a backpack size and prepare a clearer first-sample specification.
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