Derek Heart Poplin Bubble Babydoll Top. The Derek Heart Poplin Bubble Babydoll Top is the perfect mix of playful and trendy. Featuring an allover stripe pattern, this top brings a fresh, flirty vibe to any outfit. The adjustable shoulder straps let you customize the fit, while the smocked back adds extra stretch and comfort. The bubble-style hem gives it a fun, voluminous silhouette that pairs perfectly with high-waisted jeans or flowy skirts. Fully lined for a smooth feel, this top is a must-have for sunny days and effortless style! 100% Cotton. 100% Polyester lining. Machine wash. Imported.