1. Material: two 65% cotton, 35% polyester layers; interlining resin cotton 2. Application: with the pillow under mother's arm to make baby feel more comfortable and warmer while suckling 3. Features: . Special design for baby head growth . Concavity at pillow center to make baby head comfortable and allow normal head growth . Two elastic bands at pillow back to fix it stably on mother's arm while suckling