This pink sequined H&M dress made from recycled materials sold out online in 24 hours – and is already on eBay for £150 MORE

THE summer fashion season is well and truly in full swing, with scores of must-have items flying off the shelves at a rate of knots.

Yesterday we told how a £45 River Island wrap dress is close to selling out, as is a cute Primark gingham dress.

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Now H&M have waded into the mix, with the launch of its latest Conscious - Sustainable Style collection.

The store has previously been criticised for its factory workers having to endure "outrageous sweatshop conditions" making clothes including Beyonce’s trademark line.

This line features sustainable pieces all made entirely from recycled materials, the most prominent being BIONIC, a polyester manufactured from shoreline waste.

And one frock in particular has already proved a massive hit.

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Despite the collection only going on sale on Thursday, a pink  sold out online in under 24 hours.

The high street fashion retailer generated excitement about the piece ahead of its release with a sneak peek video which they posted to Instagram.

This attracted nearly 67,000 likes and dozens of comments, with many fashion lovers branding it "top notch" and "beautiful".

The sparkly, long-sleeved minidress, which features a v-neck adorned with a cute grosgrain ribbon bow and a bell-shaped skirt, was on sale at the budget-busting price of £149.99.

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But it's now being flogged on eBay for more than half its original value.

One Buy It Now offer lists a size 12 for £300, plus £8 postage and packaging, while another is selling it in a size 6 for £299.99.

A size 10 on the online auction site will set you back £285 - and you may have competition, as two people are viewing the item every hour.

Some lucky bloggers have already got their hands on one.

Des & Jen uploaded a snap of them modelling the dress, which attracted 1,067 likes.

If you're a fan of H&M's Conscious Exclusion collection, you better head to fast, as the rest of the range is selling out quick.

Yesterday we revealed Zara has been hiding some of its most gorgeous beachwear on a different site.