Waterproof: The compound waterproof layer in the fabric can achieve waterproof, and there is funnel-shaped design on the corner of the sofa to prevent the liquid side from leaking under the sofa. DIMENSIONS: One Seater ( seat width 58.4cm)   Two Seater ( seat width 117cm) XL Two Seater ( seat width 137.2cm) Two Seater ( seat width 168cm) Four Seater/ XL Three Seater ( seat width 198cm), Please Measure Before Purchasing See Measuring Guide in Photos PREVENT SLIDING:non-slip fabric back.    Feature elastic straps     Longer over the arm flap to make the fabric more tight.    Two foam pipes, which tucked into the grooves on two sides to stay in place better. FURNITURE PROTECTOR: Protect your furniture from daily wear and tear, spills and stains.    It's a great choice for homes with children and pets. EASY CARE: Machine washable, wash at temperature around 30 degrees Celsius, mild laundey detergents are advised, please do not bleach.   Do not iron PACKAGE Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.