3M - Dental Flosser (DF01P) (Pack of 36+4pcs with Free Box X 2; individual packing)
https://www.friendstore.com.hk/shop/df01p-3m-dental-flosser-df01p-pack-of-36-4pcs-with-free-box-x-2-individual-packing-10683
https://www.friendstore.com.hk/web/image/product.template/10683/image_1920?unique=8deacbd
Tough bristles and wireEffectively remove residue between teeth
%20(Pack%20of%2036+4pcs%20with%20Free%20Box%20X%202;%20individual%20packing)?unique=8deacbd)