Wee Dreams Trendz Collection Sleep Sacks are soft, natural, breathable sleep sacks that are safe for baby. They are made from 58% custom blended GOTS Certified Organic Cotton and 42% Bamboo Viscose fleece. The Trendz is inspired by natural landscapes and modern interior design. These sleep sacks feature a 3 snap open/close system with side zipper closure, a two-way zipper to open from bottom, YKK nickel-free, lead free, powder coated snaps (enamel painted snaps can be toxic), fitted neck and roomy sleeves for circulation, generous length, PVC free water-based designs, low impact dyes, and recyclable packaging. Wee Dreams sleep sacks are all machine wash/tumble dry. They come in sizes from 0-6 months to 6-18 months in a variety of styles, for $44.99 each, at WeeUrban.com.