This is a 'Deal of the Day' item from Amazon US, fulfilled by Amazon AU, and it expires in about 22 hours from now. Not sure if similar product has been posted here before as I couldn't find it, but it is cheaper than any local seller is selling it for this price at the moment. Good for 4K and it has good reviews online. Below is the description of the product:

Read Speed: up to 150 MB/s

Write Speed: up to 70 MB/s

Video Speed: C10, U3, V30

Form Factor: SDXC

Capacity: 128 GB