Need new tires and tubes help.

Hello,
Trying to get back into biking I have a Caad 8. I might need new tires and tubes any suggestions? I was looking at these but I'm confused on which measurements for my bike and the tubes for them. Can someone help me please? And do I really need them. My Caad8 tires are stock and say 700 x 25.


https://bikecloset.com/product/continental-grand-prix-4-season-road-clincher/?attribute_pa_size=700-x-25mm

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