Science & Exploration Sets features: This book is made of the premium material that is safe and durable for babyuse. It is funnyand educational, which can be fitted to your kidsbathing learning and playing. Waterproof design, colorfulpatterns, offering your babieshours of entertainment and develop theirsensory awareness, visual-recognition skills, categorization skills, language and reading skills, etc. Features-Material: EVA foam.-Size: About14x12.5x3cm/5.5x4.91x1.18 inch.-Adopted of premium material, it is durable, smooth, colorful, safe and environmentally friendly.-Washable and wear resistant. No need to worry dangerous parts, this book is and do not have edge.-Colorful patterns, which is mainly used to attract baby's attention.-It is beneficial to develop babies sensory awareness, visual-recognition skills, categorization skills, language and reading skills, etc.-Great gift choice. It will be an entertaining and education toy for your babies.