Open Back Knickers

Allowing full access to your bottom, open back knickers are perfect for those moments when you deserve a good 'spanking'. Browse our range of gorgeous open back knickers and discover sensual styles and flattering designs.

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All you need for better sex.

Sinful Thrills is the UK’s fastest growing online adult retailer. Since 2010 we have built up a reputation as a trusted and reliable adult products store. When you want to shop erotic toys, Sinful Thrills has all you need for better sex at prices consistently cheaper than other UK stores. Whether male or female, straight or gay, and anywhere in between, we have the adult toys and sexy clothing you're looking for.

100% Discretion Assured!

In addition to offering everything you could possibly want from a sex store, we prioritise your privacy. We use 256-bit encryption to safeguard your security, do not store any credit card details to protect your credit card information, and send out your packages in plain anonymous packaging to preserve your privacy. What's more, Sinful Thrills will never appear on your billing statement.