These are blank Blu-Ray Discs (BDs) onto which you can store data e.g. films.
Verbatim 43812 blank Blu-Ray disc BD-R 25 GB 50 pc(s)

Verbatim 43812 blank Blu-Ray disc BD-R 25 GB 50 pc(s)

Verbatim
£31.99
Verbatim MDISC BD-R DL 50 GB 10 pc(s)

Verbatim MDISC BD-R DL 50 GB 10 pc(s)

Verbatim
£123.99
Verbatim 43834 blank Blu-Ray disc BDXL 100 GB 5 pc(s)

Verbatim 43834 blank Blu-Ray disc BDXL 100 GB 5 pc(s)

Verbatim
£115.99
Epson Discproducer Panasonic BD-R media 25GB (100 pcs)

Epson Discproducer Panasonic BD-R media 25GB (100 pcs)

Epson
£868.99
Verbatim Datalife 6x BD-R 25 GB 50 pc(s)

Verbatim Datalife 6x BD-R 25 GB 50 pc(s)

Verbatim
£30.99
Epson Discproducer Panasonic BD-R media 50GB (100 pcs)

Epson Discproducer Panasonic BD-R media 50GB (100 pcs)

Epson
£2,109.99
Verbatim 43746 blank Blu-Ray disc BD-R 50 GB 10 pc(s)

Verbatim 43746 blank Blu-Ray disc BD-R 50 GB 10 pc(s)

Verbatim
£30.99
Verbatim DataLifePlus BD-R 50 GB 25 pc(s)

Verbatim DataLifePlus BD-R 50 GB 25 pc(s)

Verbatim
£72.99
Verbatim 43811 blank Blu-Ray disc BD-R 25 GB 25 pc(s)

Verbatim 43811 blank Blu-Ray disc BD-R 25 GB 25 pc(s)

Verbatim
£20.99
Verbatim 43748 blank Blu-Ray disc BD-R 50 GB 5 pc(s)

Verbatim 43748 blank Blu-Ray disc BD-R 50 GB 5 pc(s)

Verbatim
£18.99
Verbatim Datalife 6x BD-R 25 GB 10 pc(s)

Verbatim Datalife 6x BD-R 25 GB 10 pc(s)

Verbatim
£16.99
Verbatim 43615 blank Blu-Ray disc BD-RE 25 GB 5 pc(s)

Verbatim 43615 blank Blu-Ray disc BD-RE 25 GB 5 pc(s)

Verbatim
£18.99