Size: 12" x 5.5" (30.5 cm x 14 cm) The Mod Zafu Provides moderate lift to sit bones during your deep meditation sessions Perfect meditation Pillow if you have flexible hips but do not need space to tuck your feet If you prefer to lie down flat during your meditation session, the Mod Zafu's shape will support anycross legged position or lotus position If you prefer to kneel, turn on its side, and it offer great comfort and support to your knees 100% cotton twill cover of the bolster for breathability and absorbency The Mod Zafu Yoga Meditation Pillow offers comfort & support during long meditation sessions for all lotus and cross-legged positions, great knee support and gives sit bones lift to support alleviating lower back strain. Its 100% cotton twill cover gives breathability and absorbency. Key Features Comfortable Meditation sessions: The Mod Zafu Yoga Pillow offers comfort & support during long meditation sessions especially if you have flexible hips or if you like to tuck your feet close to your body as you sit upright. Knee support: If you prefer to kneel, turn on its side, it offers great comfort & support to your knees Back Support: Zafu cushions help to facilitate a proper posture for a prolonged period when you are in a seating position where your back isn’t supported. They help to stabilise your back and to keep your spine aligned. 100% cotton cover: Cotton offers decent breathability and absorbency. It is completely free of allergens, synthetics and chemicals and they are easy to care for. Yoga/Meditation Style Kundalini Yoga Meditation/Mantra Meditation or any Meditation that needs us sitting upright and knee support .