Girl's Sz 5-6 US, CA, + UK; 116 EU Wedding Bride Dress Full Ball Gown Costume Sparkle White base hoop Crinoline.  
Pull-over fitting w/soft velour spaghetti style shoulder straps + semi-sheer sparkle faux short sleeve accents for chest comfort fitting followed by flowing 
tapered fullness ruched bodice base. Shimmer silver glitter + embroidered ribbon accents/satin ribbon top rose embellishment. 
Top shoulder to base hem measures approx. 32"; lying flat across front chest pit to pit is 11 1/2" (totaling 23" all around including both front & back). 
 Poly-Nylon blend/velour ~ ruched elastic stretch, mid-back for added extended comfort fit. 

Preowned condition: see multiple & up-close outdoor photos (no stains, rips nor tears noticed w/exception of few underside base grime-rubs from perhaps from prior touching floor when walking, shown; otherwise, minimal typical usage pretend play wear). 
Smoke-free home.