The Kilner glass onion keeper is a small, durable, airtight storage container designed specifically to keep whole or cut onions fresher for longer while preventing strong onion smells from spreading through your fridge. Its charm comes from both its playful onion-shaped design and its practical, eco‑friendly functionality.

A glass storage keeper with a silicone airtight seal, shaped like an onion. It’s part of Kilner’s range of vegetable keepers (lemon, onion, avocado), all made to store halved or whole produce while reducing food waste and eliminating the need for plastic wraps. 

Features

• Airtight seal — locks in freshness and keeps onion odours contained.

• Durable glass body — sturdy, reusable, and taste‑neutral.

• Eco‑conscious alternative — replaces cling film and disposable containers.

• Playful design — shaped like an onion, adding a bit of fun to fridge storage.

• Dishwasher safe — easy to clean.

• Gift‑boxed — makes a sweet, practical kitchen gift.