Richell's Freestanding Pet Gate Large is designed to move easily from area to another. Simply lift the gate and place it wherever it's needed most. Plus, it's low enough to step over to allow movement from one room to another. Recommended for small dogs 6.5 to 17.5 lbs (3-8 kg). Instruction manual included. 1 ¼ inch space between wire slats. Wire is 7 Gage or 0.144 inch.