Images d'Orient Chopsticks Holder/Knife Rest, Sejjadeh Zen, Set of 4. The sejjadeh zen knife rests by images d'orient invite the charm of the mediterranean with a modern look, 4-piece. Made from quality pvc using an intricate multi-color injection process to ensure long-term use. Waterproof and heat resistant up to 500-degree f or 250-degree c, handwash with warm soapy water. Available in a variety of colors for easy accessorizing. Each knife rest measures 2-3/4-inch by 7/10-inch.