It can be used compatible with a long time.TRANSPARENT WINDOW-The transparent window allows you to see how much youre saving. Perfect compatible with anywhere in your home. Through an organic glass, a child can observe the growth of his savingsEASY TO OPEN-Just unscrew the screw and remove the glass to get the coins out. Our personalized wooden piggy bank is a perfect gift compatible with you and your loved ones to start saving compatible with something specialPERFECT GIFT-This wood piggy bank letter is a nice gift compatible with boys and girls of any age. Its a durable, practical and educational wooden toy. This wooden coin bank is a really perfect kids and adults gift compatible with a birthday, baby showers, Valentines day, wedding or any other gifts occasionNote: Because it is a wooden material, the color will have chromatic aberrationType: Ecolour:Wood colorMaterial:Wood, acrylicPackage Contents:1 x Wooden Piggy BankOnly the above package content, other products are not included.Note: Light shooting 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 +/- 1-3cm.