Product Size- 3/4" X 3/8"(20x10mm), 900 Labels/Roll ,4Rolls Black on white Good Compatible,The label sticker compatible with Phomemo m200,m220,m221 M250 label maker,the M220,M200 label maker sticker waterproof and widely use,like address,shipping,business name card,clothing,jewelry,retail and more More cost-effective-The price is competitive, and the printing effect and paper quality can meet your needs. You won't be disappointed. Save your money and let's try our thermal labels together Multipurpose Paper-A versatile option that comes in a wide variety of label sizes, making it suitable for various applications. You can use this size label to create mailing address labels, shipping address labels, and many more Thermal Label Features- Label printer self-adhesive Multi-Purpose labels are water resistant, oil resistant, abrasion resistant, strong adhesion and BPA free Clear Printing- Direct thermal print technology provides clear lettering without messy, expensive ink or toner BPA/BPS Free,As we all know,BPA (Bisphenol A) may cause endocrine disorders and have certain effects on people's health. Fannster thermal label paper has passed RoHs certification. It's tested that the paper doesn't contain any carcinogens.you could use it at ease 100% Compatible list:Phomemo M221/M220/M110/M250、NIIMBOT B3S (❌Not compatible with Nelko PM220,not compatible with NIIMBOT B1 B21 D11)