Universal harness openings to fit almost all front facing or 3 in 1 toddler car seats Double stitching throughout with super strong elastic to hold it in place Buy the Terry Jersey or 100 Cotton option for a soft cool cotton fabric similar to children s blankets and perfect for hot kids Buy Minky for cooler climates or Winter Spring seasons Waterproof bottom and can be washed and reused over and over Cup holder openings on both sides and two extra pockets on each side to hold toys drinks or snacks Crash Tested Does NOT interfere with seat safety features