Intu Venetian blinds a simple no screws fixing, purpose-made clips allow for accurate fixing of blinds with light profiles to exclude gaps. completely child friendly
high level blind with operating rod 
Intu Venetian blind
Intu Venetian blinds are available either 16mm or 25mm slatsVenetian blinds. both will complement your window or door frame with a choice of white, brown, or anthracite rails, with your choice of slat colour.
To give you complete peace of mind this system is also entirely chid safe.
Completely child safe blinds have no hanging cords, the operation just raises and lower by hand, to angle slats just a simple slider at top of blind. if high level there is a simple wand option.
Intu Privacy is an added version, for those who would likesome improved privacy or security. With no visible holes in the Venetian slat, privacy gives a more complete closure in your window minimising light gaps when the blind is in the closed position.