A hand holds a Sun Jar Classic by its handle against the setting sun

Sonnenglas Sun Jar

The original. Since 2013.

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See Classic & Mini

Often copied. Never matched.

Invented to bring light where there is no electricity. Then it went around the world.

Built in South Africa in 2013 to replace candles and paraffin lamps. Today the Sonnenglas stands on balconies in Berlin, on beaches in Japan and in townships near Johannesburg. Bought millions of times — and still the same jar.

Simple. Clever.

Everything it needs. Nothing it doesn't.

Stainless steel and real glass, no plastic. It stands steady like a lantern — built to last for years.

The Sun Jar Classic from above at an angle: glass, lid with SOMO solar light and switch, wire handle
  1. Magnetic switch

    The clever switch on top of the lid. The day/night sensor does the rest.

  2. SOMO solar light module

    Solar cells on top, battery and light in one module. Replaceable and removable, it also shines on its own. Charges by sun and via USB-C.

  3. Stainless steel

    Screw ring and wire handle in rust-free stainless steel. To carry and to hang.

  4. Soft, warm light

    Dimmable up to 100 lumens, warm white (3000 K). Soft, indirect light, bright enough to read by.

  5. Decorate the inside

    Shells, flowers, memories: what goes in the jar is up to you.

  6. Real recycled glass

    No plastic. Stands steady, even in the wind.

The best moment

When it gets dark, it begins to glow

Lid on, and the day/night sensor takes over: on at dusk, off at dawn. No cable, no socket.

A Sun Jar Classic and a Mini on a rock in the midday sun

By day

By day it catches sun. And looks good doing it.

On the windowsill, the garden table, the rock above the valley. At night, whatever you put inside lights up.

At home

A piece of the sea, on the table.

Your personal light

Make your memories glow

By day a decoration: shells from the last holiday, cones from a walk in the woods, the figure from the children's room.

  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated
  • Sun Jar, decorated

We ship the Sun Jar empty: the decorations in these pictures are ideas, what goes in the jar is up to you. The exception is the Artisan Edition, crafted by hand by African artists.

And at night

Then they glow

  • A glowing Sun Jar filled with shells and a starfish on a wooden table, beside a white jug of flowers and a glass candlestick
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night
  • A glowing, decorated Sun Jar at night

Moments

Where Sun Jars glow

A glowing Sun Jar Classic with a flower stands on a bed beside an open book
A glowing Sun Jar Mini stands in the half-light in front of a teddy bear on a chair
Two hands hold a glowing Sun Jar Mini with flowers

Outside

From the barley field to the picnic table

A woman carries two Sun Jars with dried flowers through a barley field at sunset
A Sun Jar Classic and a Mini with dried flowers on a table outdoors

All year round

Light for every season

From Christmas to the beach. In summer the sun charges it, in winter USB-C helps.

  • Two glowing Sun Jars hang in a bare tree

    Autumn

    Dark early. Good thing it glows.

  • A glowing Sun Jar on a cabin windowsill, a snowy forest outside

    Winter

    Snow outside, light in the window.

  • A glowing Sun Jar filled with almond blossoms hangs in a blossoming tree

    Spring

    The first warm evenings outside.

  • Two children carry glowing Sun Jars across the beach at dusk

    Summer

    Beach, campfire, long nights.

Two sizes

Classic and Mini. And the editions.

Every Sun Jar comes as a complete set with the SOMO solar light.

Incl. VAT · plus shipping (free from R 1 000)

Compare the models

Sun Jar Classic Complete Set · incl. SOMO R 480,00 View product Sun Jar Mini Complete Set · incl. SOMO R 390,00 View product
Solar light SOMO Classicincluded SOMO Miniincluded
Height 18,3 cm 11,2 cm
Diameter 10,2 cm 6,9 cm
Weight 644 g 223 g

Always the newest generation

Outside, the same jar since 2013. Inside, always the newest.

Buy a Sun Jar today and you get the sixth-generation SOMO: 100 lumens, USB-C, dimmable, IP65 weatherproof. And because it swaps out, after years you replace the module — not the lantern. That is what our upgrade programme is for.

More about the SOMO

New light for your favourite jar: Upgrade programme

A gift

Give light

Bright enough to read by, beautiful enough to give away. Fill it with a memory first, if you like.

Gift ideas

More than 20 international awards

Probably the most awarded solar light in the world

Red Dot 2025iF Design Award 2023German Design Award 2021Deutscher Nachhaltigkeitspreis 2021Dezeen AwardsFast Company 2019Core77 Design AwardsIDA Design Awards 2022Golden Pin Design Award 2025Good Design Award 2024NY Product Design Awards 2024BIG SEE Product Design 2023AIDASocial Products Award 2024Green Product Award

Social Impact by Design. Proudly Made in Africa.

Every jar is made by hand in Johannesburg

In our Fair-Trade-certified factory at Victoria Yards, people find permanent, fairly paid jobs. 100 percent of profits are reinvested.

Our story

Frequently asked questions

Up to 100 hours on low, 28 hours on medium and 5 hours at full brightness — with 100 lumens of warm white light.

Yes. When the sun is not enough, charge the SOMO via USB-C.

Yes. The complete set is IP65 protected and built for garden tables, balconies and campsites.

The size: the Classic holds 1000 ml, the Mini 250 ml. Both come with the SOMO solar light.

So far the Sonnenglas is approved for our solar system only and tested exclusively with our Sun (Sol, spectral class G2V). Interstellar travellers, please write to info@sonnenglas.net before departure with details of your host star — we will check whether it works there. Photos are very welcome, and so are invitations to the Restaurant at the End of the Universe. And whatever you do: don't forget your towel.