This is handmade ꒡̈⃝ No glue is used, and everything is hand-sewn! Size... Approximately 7cm tall, 11.5cm wide Button... 2cm The fabric is made of two layers of washable felt! How about practicing buttons on clothes or uniforms ꒡̈⃝? It can also be used for studying numbers and exercising fingertips, and it's light and compact, so you can have fun playing with it when you're out and about! I sew carefully, but Since it is handmade by an amateur, there may be some misalignment or distortion. Please understand this before purchasing m(_ _)m I have a dog, so if you are worried about allergies, Please refrain from purchasing m(_ _)m Instant purchase OK ♥ Thank you!