https://www.ebay.com/itm/3658665337...customid=85966044429111f1922da64413445c5f0INT 2-Pack 1kg 1.75mm Creality Hyper PLA RFID 3D Printing Filaments (Various Colors) on sale for $33.99 - $6.80 (20%) when you apply coupon code SMARTWINS at checkout = $27.19. Shipping is free.