Savage Widestone Background Seamless Paper (#5 Ultramarine, 86-Inch x 36-Feet) in Blue
Amazon
Savage Seamless Paper Photography Backdrop - Color #5 Ultramarine, Size 86 Inches Wide x 36 Feet Long, Backdrop for YouTube Videos, Streaming, Interviews and Portraits - Made in USA
Adorama
Savage Widetone Seamless Background Paper, 86" wide x 36', Ultramarine, #5