To wonder how this would work in practice?

[QuestionableMouse]

They're talking about banning single use sachets for milk and sauces and such. We give loads away everyday at work and I honestly can't see a practical alternative - we already have dispensers for ketchup and BBQ in the restaurants but probably over half of the food is taken away.

www.lancs.live/news/uk-world-news/milk-ketchup-mayonnaise-vinegar-products-22733728

Did you read the article? There are already alternatives.

“There have been some efforts to create plastic-free replacements for sauce and condiment packets.
, a London-based startup, creates biodegradable sauce packets out of brown seaweed, which is fastgrowing and abundantly available.”

plasticsmartcities.org/products/plastic-sachet-alternatives
Evoware makes a disposable and edible sachet made from seaweed to replace plastic sachet products. This seaweed sheet has the same function as plastic packaging but can be dissolved in warm water. The sheet is heat sealable and therefore can be customized based on different shapes and sizes.

cebasolutions.co.uk/plastic-free-eating-is-it-time-to-ditch-sauce-sachets/