Instructions: 1. Place the cover with the indented back portion facing the stroller/car seat. Make sure to pull the elastic loop at the top over the back of the seat to hold it in place. 2. Pull shoulder straps through the top of the vertical opening with the velcro. 3. Pull chest straps through the bottom of the vertical opening with the velcro. 4. Pull leg strap in the middle of the seat through one of the 2 horizontal slits near the bottom of the cover. Use the opening that creates a better fit for your child in the belt. 5. Slit at the top is for additional straps used to secure certain brands of car seats.