Key Features:A chalkboard and photo frame in one! Choose from two sizes: medium or large If Grandad is the fount of all knowledge, let him know with this funny Engraved Slate Chalkboard Photo Frame! It can be etched with a message alongside the words \'Dad Knows A Lot But Grandad Knows Everything\' and it\'s a photo frame and handy chalkboard in one. It’s the perfect tongue-in-cheek gift for grandad on his birthday or for Father’s Day! Personalisation:Personalise the frame with a message in up to 32 charactersUse our innovative preview function to see how your personalisation will look. Simply enter a message and press the Preview buttonMaterial: SlateDimensions: Medium: 19 x 25cm (6x4\" photo)  Large: 29 x 22cm (7x5\" photo)Please Note: We use natural slate for our designs because we love the tactile texture, imperfections and unique pattern on each piece of slate. You might spot mottling, fine grey thread lines, colour blemishes and fissures and cracks but we hope you’ll agree that they add a touch of character to our slate designsChalk not included