[Renew Grouts In-between Tiles] the renewing grout markers can cover stains in-between tiles to make you tiles stand out, back to fresh and brand-new look. [The Grout Restorer Pen Suitable For]These grout restorer pens can be used in kitchen, bathroom, shower stall, porch, patio, wall, floors, works on epoxy grout, mortar joints, and other grout areas, etc. [Easy to Use]Need to give the pens a proper shake, then press the tip up and down repeatedly, and let gravity do the work of soaking the paint into the tips before use. [Features of the Grout Pen]Non-toxic, safe for children and pets. Highly waterproof and fast to dry; easy to use so save time & elbow grease [Note]every time after using the marker grout pen, please always remember to make sure the pen wears its cap tightly in order to prevent the ink from volatilizing. size: 15.3 x 12.9 x 2.5 cm Material:plastic colour:White Package Contents: 8 * Grout restorer pens With 8 Extra nibs Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.