MFLABEL 4 Rolls of 450 Direct Thermal Shipping Labels 4x6 for Zebra 2844 Zp-450 Zp-500 Zp-505 Self-Adhesive, Peel and stick. Size 4" x 6" , 1" Core, 450 labels per roll. Compatible Zebra 2844, Eltron 2844, Zebra ZP-450, ZP-500, ZP-505. With premium raw material Minimum application temperature: 50; Service temperature range: -59~+149