Metal Lock Containers: The Complete Visual Guide | Laiwa Plastic
Interactive Visual Guide

Metal Lock
Containers
Done Right

Five sizes. Two base shapes. One airtight mechanism. Find out which metal lock container fits your kitchen, bakery, or storage setup, and why the clasp makes all the difference.

Shop Round Base Shop Square Base
5
Size options
93mm
Uniform diameter
2
Base shapes
Multiple Laiwa Plastic metal lock containers arranged together, showing the uniform 93mm diameter design across all available sizes
SCROLL TO EXPLORE
The Basics

Built for real
storage demands

Metal lock containers use a physical clasp to seal the lid. When it clicks shut, you know it's locked. That makes them a practical choice for kitchens, bakeries, and pantries where freshness matters and containers get opened every day.

Dry food Cookies Beans & spices Cereals Pasta & rice Office supplies Craft materials
Laiwa Plastic metal lock containers showing the locking mechanism and clear body for easy content identification, suitable for dry food and spice storage
5×
sizes available
Why It Works

Three reasons
to switch

Plastic lids flex and crack over time. The metal locking mechanism on these containers keeps a consistent seal through daily use, wash after wash, year after year.

Built to outlast plastic

Crack-resistant materials and a metal clasp that doesn't warp. These containers hold up through daily kitchen use without losing seal integrity over time.

Locks out air and moisture

The metal clasp creates a seal that keeps contents dry and odor-free. Spices keep their aroma. Cookies stay crunchy. Cereals don't go stale between pours.

One container family, any use

From 350ml spice jars to 1000ml bulk containers, the range covers kitchen, bakery, office, and craft storage. All share a 93mm uniform diameter so they line up neatly on any shelf.

  • Dry food: pasta, rice, cereals
  • Bakery: cookies, sweet treats
  • Pantry: beans, spices, grains
  • Desk: stationery, small parts
Close-up of a Laiwa Plastic metal lock jar highlighting the locking clasp mechanism and durable clear container body for storing dry foods
Size Guide

Pick your capacity

Click a size to see what it holds best. All five share the same 93mm external diameter so they sit flush on any shelf row.

350ml
Round Spices
500ml
Round + Sq Cookies
650ml
Square Pasta & Rice
800ml
Round + Sq Flour & Beans
1000ml
Round Bulk Storage
Uniform external diameter across all sizes: 93mm

Best for

Click a size above to see details about what it stores best.

Base options

Select a size to view base shape availability.

Storage tip

Hover or tap a size circle to start.

Where They Work

Four places
these containers fit

The same clasp that seals spice jars in a kitchen keeps paper clips at a desk and craft beads in a workshop.

Cookies and baked treats that stay fresh and crunchy when stored in airtight metal lock containers from Laiwa Plastic

Kitchen storage

Keep dry goods fresh from the day you buy them. The airtight seal holds through humidity and heat, so pasta, cereals, and spices stay at their best between uses.

Metal lock containers in various sizes arranged neatly, showing how they organize desk and office supplies in a clean row

Office desk storage

Paper clips, rubber bands, USB drives. The 350ml container keeps small supplies sorted and accessible without spilling.

Laiwa Plastic containers with metal lock mechanism for craft storage, keeping beads, buttons and small items dry and organized

Craft supplies

Beads, buttons, and small hardware stay dry and sorted. The clear body shows what's inside at a glance.

Laiwa Plastic metal lock container ideal for bakery packaging and gifting of mooncakes, biscuits, and seasonal treats

Bakery and gifting

Pack mooncakes, biscuits, and seasonal treats in containers that present well and keep contents fresh during transit or gifting.

View Bakery Range
What Sets These Apart

Three features
worth knowing

Each design choice has a practical reason behind it. Here's what it means for day-to-day use.

Laiwa Plastic metal lock container showing the high-quality locking clasp mechanism and durable container construction
01

Stain and odor-resistant materials

The container body doesn't hold residual smells from spices or oils. After washing, there's no scent transfer when you switch what you're storing. That matters when one container moves between paprika and oats.

02

Uniform 93mm diameter across all sizes

Every size in the range shares the same external diameter. Five different capacities, one consistent footprint. They sit flush on the same shelf row and stack without shifting. A small detail that adds up fast in an organized kitchen.

03

A lock that stays consistent long-term

The metal clasp is built to function reliably over hundreds of open-and-close cycles. Check for a firm click and smooth operation each time you clean. If it feels loose, inspect the clasp before it starts affecting the seal.

Browse Round Base Range
Selection Guide

Not sure which
size to order?

Three questions that narrow it down fast.

01

How much do you store at once?

For weekly spice refills or single-serve snacks, 350-500ml works. For shared household staples or bulk buying, 800-1000ml cuts how often you refill. Match the size to your actual use frequency.

02

Round or square base?

Square bases use shelf space more efficiently and fit grid storage systems. Round bases are easier to reach into and handle one-handed. Both use the same locking mechanism and seal quality. The choice comes down to your shelf layout, nothing else.

03

Will you stack or line them up?

The uniform 93mm diameter means any mix of sizes lines up in a clean row. If you're stacking, choose sizes that share a base shape for stability. Mixing round and square in a stack isn't recommended.

Round Base Square Base
Care Guide

Three steps that
add years of use

1
Wash with warm, soapy water
Use a soft sponge and mild dish soap. Skip abrasive scrubbers. They leave fine scratches that trap residue over time and can wear down the seal gasket.
2
Dry completely before sealing
Trapped moisture inside a sealed container speeds up spoilage. Air dry upside down on a rack, or wipe dry with a clean cloth before locking. This one step keeps contents fresh longer.
3
Check the lock at each cleaning
A good clasp clicks firmly and holds without play. If you notice resistance or looseness when closing, inspect for debris or bending before it starts affecting the seal.
Laiwa Plastic square base metal lock container with easy-to-clean smooth surfaces and durable construction for long-term kitchen storage use
Environmental Impact

A practical choice
for less waste

Single-use plastic works once. Metal lock containers are built to be used hundreds of times, which changes the waste-per-use math entirely.

Designed for reuse

Durability that holds up in daily kitchen use also means containers don't need replacing often. One container used over three years removes hundreds of single-use alternatives from the cycle.

Recyclable at end of life

When a container finally reaches the end of its service life, the materials can be recycled rather than sent to landfill. Durable containers that eventually get recycled have a smaller footprint than cheap ones replaced frequently.

Fewer replacements, less waste

Cheap containers crack and get discarded. A well-maintained metal lock container stays functional for years, cutting replacement frequency and reducing the packaging waste from reordering.

100s
of reuse cycles possible with proper care and regular cleaning
5
sizes sharing one base design, reducing material variation in production
0
single-use alternatives needed when one durable container replaces repeat disposable purchases
Ready to Order?

Get the containers
that hold up

Metal lock containers in round base showing the full range from 350ml to 1000ml with uniform 93mm diameter design
Round Base Containers
350ml, 500ml, 800ml, and 1000ml. Uniform 93mm diameter for consistent shelf rows.
Shop Round Base
Square base metal lock containers available in 500ml, 650ml, and 800ml for efficient grid shelf storage
Square Base Containers
500ml, 650ml, and 800ml. Fits grid shelving systems and organized pantry setups.
Shop Square Base

Questions about bulk or trade orders?

Contact the Laiwa Plastic team for trade pricing, custom quantities, and product availability.

Get a Quote Contact Us