Comfortable rear seat with backrest - Adds a comfortable backrest seat to the rear of your bicycle for additional seating and support - Features a stylish design and a practical upgrade for bikes that need modification - Also suitable as a thoughtful gift for those looking to upgrade their bikes Ergonomic design for long rides - The cushion is ergonomically shaped to fit the buttocks for enhanced comfort - Designed for long duration riding and maintains its shape without deforming easily - Simple, clean appearance that complements various bike styles Easy installation on most bikes - Quick to install on most common bike seat posts - Compatible with standard posts, making it suitable for kids and general use Durable materials and construction - Made from quality sponge and metal for a comfortable feel and sturdy performance - A versatile addition to your cycling gear that combines comfort with durability Usage scenarios - Family rides with a child passenger: attach to a bike to provide a secure rear seating option with back support - Long commutes or weekend rides: ergonomic cushion helps reduce fatigue on extended trips - Bike modification or gifting: ideal for upgrading a bike or as a practical gift for bike enthusiasts Material and compatibility highlights - Material: sponge and metal - Fit: compatible with most standard bike seat posts - Design intent: built for kids and general use while delivering comfort and reliability