Expandable Large-Capacity Suitcase

Zhejiang Zhuolv New Materials Co., Ltd. is one of the leading manufacturers and suppliers of expandable large-capacity suitcase in China, also supports customized service. If you're going to buy bulk durable expandable large-capacity suitcase, welcome to get pricelist and free sample from our factory. Quality products and reasonable price are available.

Expandable Large-Capacity Suitcase is a hardside suitcase with an integrated zippered gusset that increases packing depth when additional space is required. The case can be used in its standard configuration or opened to the expanded position, giving procurement programs two packing capacities within one product structure.

The range covers 20-inch, 24-inch and 28-inch sizes. Shell options include ABS, ABS+PC and PP. Standard configurations can include four 360° spinner wheels, a telescopic trolley handle, combination or TSA-approved lock options, zipper dividers, fixing straps and interior storage pockets.

Expandable Capacity
Integrated Gusset
The expansion gusset is positioned around the main case opening. Opening the expansion zipper increases the case depth without adding an external storage compartment.
Two-Position Use
The suitcase operates in a standard packing position and an expanded position. This gives the product a practical capacity adjustment for different travel requirements.
Main Compartment
Expansion takes place within the main packing area, allowing additional clothing and personal items to be stored without changing the basic interior organization.

Size Selection
20-Inch
The compact configuration suits short trips and smaller packing requirements. It is suitable for product ranges where expandable capacity is required in a smaller format.
24-Inch
The 24-inch configuration provides a mid-size checked-luggage format for general travel programs and moderate packing volumes.
28-Inch
The 28-inch configuration provides the largest packing format in the standard range. It suits extended travel, family packing and higher-volume luggage programs.

Shell Material Options
ABS
ABS provides a rigid thermoplastic shell construction commonly used for luggage applications. It is suitable for product programs requiring an established hard-shell material.
ABS+PC
ABS+PC uses a blended thermoplastic shell structure. It provides another material option for programs balancing shell rigidity, flexibility and product weight.
PP
PP provides a more flexible thermoplastic shell construction. It can be selected where shell flexibility is part of the required product specification.

Functional Configuration
Spinner Wheels
Four 360° spinner wheels support upright rolling and multidirectional movement. Wheel size and mounting configuration can be matched to the selected case size.
Telescopic Handle
The telescopic trolley system provides adjustable operating positions for handling the suitcase. Handle construction can be confirmed with the selected model.
Lock Options
Combination locks and TSA-approved lock configurations can be specified according to the target market and product requirements.
Interior Layout
A typical interior includes zipper dividers, fixing straps and storage pockets. The arrangement can be adjusted to match the selected shell and internal structure.

Typical Applications
Extended Travel
The expansion section provides additional packing depth for longer trips where packing volume can change between departure and return.
Family Travel
The 24-inch and 28-inch configurations provide larger packing formats for family travel and shared luggage requirements.
International Travel
The larger configurations are suitable for checked-luggage programs serving international and long-distance travel.
Seasonal Packing
The expandable structure provides an additional packing position for trips involving different clothing volumes across seasons or destinations.

Technical Specifications

Manufacturing & Quality Control
Shell Inspection
Shell dimensions, surface condition and key assembly areas are checked against the approved product specification before assembly.
Component Inspection
Wheels, trolley handles, locks, zippers and interior components are checked for specification and assembly compatibility.
Functional Testing
Finished cases are checked for wheel rotation, trolley-handle movement, zipper operation and lock function.
Assembly Check
The expansion zipper, wheel mounting points, handle connection and shell assembly are inspected before final packing.

Manufacturing & Quality Control
Shell Inspection
Shell dimensions, surface condition and key assembly areas are checked against the approved product specification before assembly.
Component Inspection
Wheels, trolley handles, locks, zippers and interior components are checked for specification and assembly compatibility.
Functional Testing
Finished cases are checked for wheel rotation, trolley-handle movement, zipper operation and lock function.
Assembly Check
The expansion zipper, wheel mounting points, handle connection and shell assembly are inspected before final packing.

FAQ
What sizes are available?
The standard range includes 20-inch, 24-inch and 28-inch configurations. The appropriate size depends on the required packing volume and product program.
How does the expansion system work?
A perimeter zipper opens the integrated gusset and increases the main packing depth. The case can be used in either the standard or expanded position.
Which shell materials are available?
ABS, ABS+PC and PP are available. The selected material depends on the required product construction and specification.
Can TSA-approved locks be specified?
Yes. TSA-approved lock configurations can be specified for applicable travel markets.
Can the interior configuration be customized?
Yes. Interior dividers, fixing straps, storage pockets and related components can be specified according to the selected case structure.
What information is required for a quotation?
The main requirements are size, shell material, quantity, color, lock type, wheel and handle configuration, interior layout, logo requirements and packaging specifications.