Safe Material: The organ apron is made of polyester, the organ toys is made of plush and PP cotton, it is safe and soft for kids playing, this early educational toy can meet EN71-1 standard Good Educational Toys:The anatomy apron/DIY organs apron is a visual help for children learning the names, location, size and the shape of the main body organs Funny Learning: The model by heart, large intestine, small intestine, lung, stomach, kidney, liver, esophagus and trachea. A total of 9 indication area, the plush stuffed organs apron is a wonderful body awareness kit. The organs are removable, pasted in Velcro School Teaching Tools: Great teaching aid for classroom, a fun way to teach anatomy, the internal organs model help kids know what's inside human body Size: 18"W x 24"L, the toy/viscera teaching utensil suits for kids ages 3 years and up Warm Tips: Dear buyer, Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 0-3cm. Sincerely hope that you can understand! Thank you!