Organic cotton jersey and cotton spandex swaddle blankets. The swaddle is 100 x 100cm, nice and roomy in size which is sure to last right through your swaddling months. Super soft and stretchy, they allow you to achieve the perfect swaddle, which is comforting to baby and helps with soothing and sleeping in the early days! Using cotton ensures the wraps are breathable and don't cause baby to overheat or become uncomfortable.