MADEIRA STABILIZER AVALON ULTRA MADEIRA STABILIZER AVALON ULTRA. Avalon Ultra: 12 x 3.3 yds, extremely stable,water-soluble film only. Extremely firm, Avalon Ultra allows the most detailed and dense embroidery without tearing. Ideal for hoopless embroidery and projects where a firm base or foundation is required. Also a great option as a topping or for thread sketching, lace work or spunlace, quilt patterns and sandwiching techniques. 20990211