LNB The Cardinal Gates award-winning Lock-n-Block Sliding Door gate is the only sliding glass door gate available on the market today patent pending! This gate won the 'Most Innovative Product' award from the Juvenile Product Manufacturers Association (JPMA). The Lock-n-Block was also chosen as 'Best Product of the Year' by FitPregnancy magazine. Finally, a gate which allows moms to feel comfortable opening the sliding door when an infant is around (never leave infants unattended). The Screen Manufacturers Association (SMA) states screens are not designed to keep children from falling out. The Lock-N-Block sliding door gate adds the extra layer of protection recommended by the Consumer Products Safety Council (CPSC). It securely clamps onto the functional panel of a sliding panel door and fits most standard tracking doors 1 to 1.5'' wide. Also ideal for pets, the Lock-n-Block Sliding Door Gate also provides a much-needed visual to help prevent dogs from running into the glass or screen door. No more worries about the dog bolting through the screen door! Enjoy use of the screen door, open or closed, simultaneously with the Lock-n-Block Sliding Door Gate. Features: -Sliding Door Gate. -Color: White. -Constructed of steel. -Great for kids and pets. -Sleek rugged steel construction. -Award-winning gate. -Only gate on market for sliding glass doors. -Can close screen door while installed. -Gate swings open in both directions. -No tools required to install. -1 Year manufacturer's warranty against defects.