The Diono Solana booster seat bundle includes two complementary models to safely transport your growing child for up to 8 years. The Solana 2 XL provides an extra wide and comfortable design with a backrest, armrests, and dual retractable cup holders, suitable for children 40-120 lbs. Weighing only 6.1 lbs, it features a shoulder belt positioner and latch connectors for easy in-vehicle installation. The backless Solana model is ideal for older kids, featuring dual elastic cup holders, machine washable fabric covers, and a shoulder belt positioner. Together, these lightweight boosters ensure proper seat belt positioning as your child grows, with features tailored for comfort and convenience. The Solana 2 XL offers back support and storage for younger big kids, while the backless Solana allows older kids to comfortably use vehicle seat belts directly. With two boosters covering ages 5 to 12, this bundle simplifies safe family travel for kids 40 to 120 lbs.