Billabong Sweet Side Tube Bikini Top. A bikini with a wink of summer romance, the Sweet Side tops off feminine micro florals with a smocked swim fabric. Made to wear in or out of the water, the tube bikini top gets an extra girly edge with ruffled hems at the top and bottom and removable spaghetti straps. Smocked tube bikini top. Removable, adjustable shoulder straps. 87% Polyamide/13% Elastane. Hand wash. Imported.