These dr browns bowls stick well, are top rack dishwasher safe, and were ~$6 for a 2 pack. Hopefully they will come back in stock because I want more!

Dr. Brown’s No-Slip Suction Bowl, 2-Pack https://smile.amazon.com/dp/B08GGF8NVG/ref=cm_sw_r_awdo_navT_g_MBJ4AKMFWK96VWFQCCD7