Made of paper and PVC, high quality, non-toxic and environmental friendly, does no harm to skin, durable in use. Waterproof, transparent background and flexible, extra-large sticker-activity pad create more fun. Includes 4 colorful backgrounds and 110+ cling-style, repositionable stickers. Removable background scenes and reposition the stickers again and again, which can enhance the children’s hands-on ability. Exercise your child’s ability to think. they can design an unique farm or natural world, also he/she will make a story base on it.