Please consider that drink bottle lids/cap with a plastic/rubber insert inside the lid/cap are very difficult to recycle, a massive percentage ends up in landfill unable to be used. 

It may not seem like much of a big deal, you might be asking yourself, why should I care about one tiny piece of plastic? 

“In what looks like a pristine, remote mountain region, tiny pieces of plastic pollution were found raining down from the sky—raising questions about the global extent of plastic pollution—a first-of-its-kind study has found.
Scientists recorded a daily rate of 365 microplastic particles per square meter falling from the sky in the Pyrenees Mountains in southern France.”
STEPHEN LEAHY - National Geographic 

So what does that mean for you? For us? 

A 2017 study found indoor airborne microfiber concentrations between 1.0 and 60.0 microfibers per cubic meter (33% of which were found to be microplastics).

It means there’s plastic everywhere, even in the air you breathe, 33% of the microfibres per cubic metre that you’re currently breathing are made from micro plastics. The more landfill we create, the less we recycle, the more plastic we are subjecting to one day become micro plastic. 
It’s choking our oceans, it’s choking our air. 
This is a NOW issue. 

On the other hand, we have some pioneering companies who truly care about the future of our planet, such as Dasani have recently started producing and using recycled plastic lids for their drinks. 

We should be holding all companies to the same standard, recycled lids being widely produced and utilised would be an optimal outcome for the benefit of our environment’s future. 

Australia produces almost 3 million tonnes of plastic per annum, of which less than 12% is recycled. Alarmingly, up to 130,000 tonnes of that plastic will wind up in the ocean as plastic pollution each year. Considering each person produces (or uses) roughly 130 kg of plastic, it means that about 30 kg of each person's waste could end up in the ocean.

Various recycling organisations across the country have endeavoured to sort and recycle plastic lids, in the past few months over 500 kilograms of lids have been donated to a variety of causes. 
That’s almost 3 times the amount of the average person’s yearly plastic waste. 

If you read this until the end, thank you, you’re a good person and I appreciate your time so much. Please consider lids made from recycled material.