The pillow is semicircular. It is flat on the underside :) SIZE Knot pillow is approximately 35cm x 35cm (13,78 x 13,78) in the main picture the pillow is in gray melange color (number 26 from the color book) Get a quality product, a soft & original knot pillow that you will proudly present in your stylish home. Regardless of where you put the pillow, whether on the sofa in the living room, on the bed in the bedroom or in the children's room, I am sure that these unique pillows will steal your heart :) If you're looking for a gift idea, you've come to the right place! The knot cushion will be the perfect gift that you can easily color match the interior of the house of the person you want to give. All you have to do is choose a color from the color chart visible on the auction. This unique dcor pillow is quickly gaining popularity among home decor enthusiasts & interior designers. Knot pillow is original element of decorating your home. The Scandinavian & modern style of the knot cushion will enliven any interior & adjust to the interior of the house. Cushion knot is made of 100% natural cotton material & has an anti-allergic contribution inside. It can be machine washed in 30 degrees. 100% handmade, created with love & attention to detail. Choose your color pillow from the color guide Just write me the color number in the message when you buy :) See my other pillows: https://www.etsy.com/shop/Zaszydelkowana?ref=seller-platform-mcnav§ion_id=24039274 Shipping method: (depending on the country - for details please check SHIPPING - INDICATIVE TIME OF TREATMENT, which can be found on the main page of my store) COURIER DPD fast & traceable - NO PHONE REQUIRED POCZTA POLSKA S.A. - traceable For details, please check MY POLICIES which can be found on the main page of my store Thank you for detaining Zaszydekowana - Sylwia Wjcik Knot Pillow Cotton Decorative Cushion Gray Soft Scandinavian Supple Modern Pillow For Bedroom Size 13, 78x13, 78