The Baby Trend Sit N Stand Double makes traveling with children varying in age fun and easy. Younger child can ride in the front while an older child can sit or stand in the rear. A covered parent tray comes with 2 cup holders, and the one hand fold is fast and easy to use. Safety features include a 5 point child restraint safety harness and a foot activated rear brake. The removable/swing away child tray with cup holder also converts the stroller to a traditional Sit N Stand. This will accept two infant car seats: (for better fit and performance you may need to remove the canopy of the stroller). Baby Trend 22 pounds and 30 pounds, Evenflo Embrace, Discovery, Britax Companion, Chaperone. Recommended use for the front/back seat is to sit upright unassisted up to 40 pounds or 40 inches. The jump seat is recommended for ages 2 1/2 years up to 40 pounds.