Illusdesign_ESR Authorized via Amazon has 2-Pack Tempered Glass Screen Protector for iPhone XR on sale for $1.99 after the promo code ATS4G5ET.
Shipping is free with Prime or on $25+ orders.
Also available:
iPhone XR Tempered Glass Full Screen Protector [Edge-to-edge 3D protection] on sale for $2.99 after the promo code 8IOWGFB7.