Magnet window cleaner

We bought this magnetic window cleaner online but even though the magnet is very strong, our windows are too thick for it. We don't send it, please don't ask for fiks ferdig. Bargain will not be answered at all.

Example:

https://www.aliexpress.com/item/1005007922050408.html?spm=a2g0n.productlist.0.0.555c57d0b9oIj8&browser_id=e4816787bc67456db96ba3ebeca8558b&aff_trace_key=4cc04a4cbef745ee9d5d89540f5e3a48-1731956961754-08656-UneMJZVf&aff_platform=msite&m_page_id=psxhcslmcavharmk19340affca7239eb12fff65435&gclid=&pdp_npi=4%40dis%21EUR%2115.89%2115.34%21%21%21118.37%21114.28%21%40211b61d017319572140565464eeee0%2112000042856501508%21sea%21NO%210%21ABX&algo_pvid=f28b021d-6796-4d2d-a32f-5a47a9244156