Dragons' Den star Steven Bartlett has invested £50,000 in a company which sells soil-free, real-grass toilets for dogs.
The entrepreneur secured a 20% stake in Piddle Patch after seeing off three rival bids from is fellow Dragons during the second episode of this year's BBC One series.
The company was founded by Rebecca Sloan and is based in London.
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The investment comes after the Social Chain co-founder backed cheesegeek in the previous episode.
Rebecca Sloan said: "The inspiration for Piddle Patch came during a visit to the park. The dogs were happy to be in their natural environment and the stress associated with toilet time melted away because the dogs knew instinctively where to do their business.
"When house training a dog, it makes sense to teach them to behave as they would in the outside world – and so Piddle Patch was born.
"Steven’s investment will allow us to fast track the growth of Piddle Patch, as well as launch a number of new products currently in development.
"Steven’s advice, guidance, social media and marketing expertise will be invaluable and I am delighted to be working with him."