Keep pillows and bedding from slipping into bed seams with this linen bed seam filler. Fine workmanship sits close to the bed seam and sofa armrest for a secure seal. - High density foam filling with 3 seconds rebound; resists collapse and deformation. Linen bed seam filling cover is universal for all seasons; wear resistant, wrinkle resistant, pilling free, and durable. - Removable and washable zipper; easy to take off the pillowcase for changing and washing. Machine washable, durable and pilling free. - Easy installation: simply put the mattresses together and insert the mattress. We offer different sizes and colours. Use scenarios - On sofa beds or near bed seams to prevent pillows and bedding from slipping into seams during daily use. - In guest rooms or master bedrooms to maintain neat sheets and sealed seams with regular turning and cleaning. - For rooms with multiple mattresses or seasonal bedding, choose from available sizes and colours to fit your setup and decor.