Princess Polly Selsey White Cotton Dot Tie Front Mini Dress 4. Mini dress. Princess Polly Exclusive. 100% rayon. Adjustable straps. Invisible zip fastening at back. Ruched bust. Pleats at waist. Tie fastening at front. Non-stretch. Fully lined. princess polly tag has been removed. pit to pit 16", waist is 15" across, length 34".