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ProStack Stainless Steel Container

4.9 · 412 reviews
$39.99$52.99 Save 25%Free shipping over $49 to US & Canada. Tax calculated at checkout.

A stackable multi-layer stainless steel lunchbox sized for full meals — separate hot and cold layers, lock them together, carry as one. Why it works Multi-layer stainless steel...

Color 1400ml
  • Food-grade BPA-free
  • 1-year warranty
  • Free shipping over $49
  • Carbon-neutral delivery
Food-grade BPA-free
1-year warranty
Free shipping over $49
30-day defect replacement
The details

Why this is built different.

01

Food-grade materials

Sourced from food-grade-certified suppliers per supplier documentation. BPA, BPS, lead and phthalate free per supplier specifications.

02

Built once, used for years

Built tough for daily school and work use, with a seal designed to last. Backed by a 1-year warranty.

03

Designed for everyday

Dishwasher safe. Stack-friendly. Sized to fit standard lunch bags and backpack pockets without bulging.

A stackable multi-layer stainless steel lunchbox sized for full meals — separate hot and cold layers, lock them together, carry as one.

Why it works

  • Multi-layer stainless steel construction — built to last
  • 1400ml per layer — full adult portion per tier
  • Stackable design lets you customise hot/cold or main/snack setups
  • Lightweight but sturdy; sleek enough for the office
  • Top-rack dishwasher safe

Materials & care

Premium stainless steel throughout. BPA-free. Top-rack dishwasher safe.

Best for

Office, school, travel, picnics, meal prep with hot and cold sides.

Care & warranty

Backed by our lifetime warranty on structural failure. Free shipping on orders over $49 across the US and Canada. Carbon-neutral delivery on every order.

Specs & care

Specs & care

Material
Per supplier specifications
Capacity
1.2 L (40 oz)
Dimensions
8.7 x 6.3 x 2.4 in
Weight
1.4 lb
Compartments
3 leak-proof
Seal
Per supplier specifications
Safety
Sourced as BPA-free per supplier specifications
Designed in
California

Care

  • Dishwasher safe (top rack recommended)
  • Hand-wash for prolonged finish
  • Avoid bleach and abrasive scrubs
  • Air-dry before storing to prevent residue
FAQ

Common questions

Is it dishwasher safe?

Yes - top rack recommended for daily use. For best long-term finish, hand-wash with a soft sponge.

Is it really BPA-free?

All food-contact surfaces are sourced from food-grade materials free of BPA, BPS, lead and phthalates per supplier specifications.

What does the 1-year warranty cover?

If a BoxPlanet product structurally fails due to materials or workmanship - ever - we replace it free. Wear from daily use isn't a defect; cracking, broken hinges or seal failure are.

When does it ship?

Orders placed before 2pm PT ship the same business day. Free shipping on orders over $49 across the US and Canada.

Can I return it?

30-day defect replacement. If something arrives damaged or doesn't work as described, we ship a replacement at no cost.