https://www.amazon.co.uk/Harry-Potter-Slytherin-Wax-Seal/dp/1647220173/ref=bmx_dp_uk6maw1o_1/258-8413237-7839405?pd_rd_w=jpBBm&pf_rd_p=d15de334-46de-4f64-bc99-dbe037e3c10f&pf_rd_r=FRTSEX0670B03J67ZH58&pd_rd_r=78ce70c2-af14-4264-a9d5-b5...
This is a good Slytherin seal.