OEM / ODM · Leather & PU · China & Cambodia

Plan access for the way the customer wears it.

A sling bag moves between the chest, side, and back during use. Strap direction, zipper orientation, and pocket placement therefore belong in the initial brief. Hoplok develops custom leather and PU sling bags for brands, with manufacturing operations in China and Cambodia.

Start with the intended use and carrying position: daily essentials, travel, or a compact accessory range. Give us the items that must fit and any need for left- or right-shoulder carry. We can review the body, strap system, hardware, and branding together before sampling.

Discuss your sling bag project

Sling Bags style reference from Hoplok
Style reference. Final materials and details follow the approved sample.
Minimum order: 200 leather bags or 1,000 PU bags.

Confirm the style and color allocation with our team. Sampling, tooling, production timing, and pricing are quoted against your design and order requirements.

Specify a carrying system, rather than an isolated pouch

A single-strap bag needs a clear relationship between the anchor points and the zipper direction. If the design is reversible, show how the strap reconnects and how the openings remain usable. Multiple external pockets may improve separation but also add bulk. Decide which items require fast access and which should sit inside a secured compartment; the pattern should follow that priority.

Carry orientation
Chest, back, or side position; left/right use; reversible attachment requirements.
Body and capacity
External dimensions, usable depth, pocket sizes, and intended contents.
Strap system
Length range, width, material, adjuster, release buckle, and lower anchor location.
Access and lining
Zipper direction, pocket openings, lining material, and internal organization.
Branding and finish
Leather or PU surface, logo, webbing appearance, hardware finish, and packaging.

Material selection and finish development

Review the body-facing surface, strap material, and edge construction as part of the carry design. Leather and PU are separate options with different sample and costing considerations. Where a leather finish needs development, ProPelli works on crust leather supplied by partner tanneries. ProPelli is Hoplok’s LWG Gold-rated leather finishing facility in Cambodia.

See our leather sourcing and finishing capabilities and design and sample development process.

What to check before approving the sample

  • Test access in each intended wearing position, including any left/right conversion.
  • Load the bag with the specified contents and review movement, strap adjustment, and bulk.
  • Check the anchor reinforcement, adjuster function, zipper stops, and pocket clearances.
  • Confirm that branding and decorative hardware do not obstruct the opening or adjustment system.

Record agreed materials, measurements, construction details, branding, and any test requirements in the approved specification. Confirm revisions before bulk production. Our quality control page explains the broader inspection process.

Sling Bags: development questions

Can the strap switch between left and right shoulders?

A reversible attachment arrangement can be reviewed during development. Include both carry directions in the drawing so anchor points, pocket access, and hardware can be assessed in the sample.

Can a sling use webbing instead of a leather strap?

Webbing can be discussed as a strap option. Specify the width, color or pattern, length range, edge finish, and adjustment hardware rather than choosing the strap separately from the bag.

Can I claim the sling is waterproof?

Waterproof performance should not be assumed from the shell material. Define the intended claim and test requirements first, including the seams, zippers, and complete construction. Our team can review the brief before quotation.

Get a Quick Quote

Send us a message if you have any questions or request a quote. We will be back to you ASAP!