Flow-y Ballon Sleeve Cactus Print Blouse SM

Unique Dark Navy Blouse with abstract cactus print in White, Green, Gold, Rust and Lavendar - "UK size 8" (I think this is SMALL/Size 4 US?) but it's loose and flowy - dropped shoulders, 3/4 length balloon sleeves - button closure at back of neck - approx 24" long in back, 19" long in front, 22" across at armpits (I'm 5'6" and the back hits at my hips, front slightly shorter) - Poly Blend? (no care tags but it's washable) - from a smoke/pet free house