Summersalt The Twist Backflip One-piece Swimsuit. Size 4, color is sky and mountain blue. Brand new with tags, never worn, hygienic liner in place. Bundle with other offers to save on shipping! Smoke free pet free home. Offers welcome Timeless style with an ultra-flattering twist. The Twist Backflip makes a statement from every angle with a plunging V-neckline, open back, and waist-defining twist detail. Made from our luxe, eco-friendly swimwear fabric, this elegant style also features sewn-in cups for comfort and coverage.