Black Halo Zuma Polka Dot Cotton Mini Dress Black & White Size Small. Excellent pre-owned condition, no flaws. Retail $ 390. Decorated with polka dots, the Zuma dress by Black Halo is crafted of cotton. Trapeze silhouette, this sleeveless style is detailed with a round neck and flounce hem. Pullover style. 100% cotton. Chic and playful, this black and white polka dot dress is perfect for any occasion. The classic design offers a timeless look.