Comes with DIY decal ( Girl themed)as in the picture,your little one can decorate her doll seat ! Really easy to install,can fit 18inch American doll. Safe way for girls to port their favorite dolls. A simple and interesting way for kids to dress up their bikes. ATTENTION:The seat can be attached to the bike which has a diameter 1 inch (25.4 mm) seat post ,most kids bike have this size of seatpost. Fit:bike which has a diameter 1 inch (25.4 mm) seat post Colour:Pink/purple Material:plastic<br><br>Package Contents: 1 x Bike Seat 1 Set x Mounting Accessories(Without screwdriver) 1 x Stickers(random style, don't accept the specified style) Only 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.