@Frankie51 You can use your own packaging and print off the labels for the returns here https://www.sky.com/help/articles/return-tv-broadband
Remember to keep your proof of posting.
Like you I'm a customer here, Sky Employees are clearly identified as such.
43" Glass TV & Puck Whole Home
Please note I only provide help on the main forums and not via PM, PM's are switched off.
Samsung 75" 4K TV, Sky Glass Gen 2 55", Sky Stream, EE FTTC Broadband, Three 5G Broadband (Backup), Sony 7.1 AV Receiver, Technisat MultiSat receiver.
