Amigo stable sheet amigo stable sheet is a versatile sheet acts can be used as a stable sheet cooler or travel rug it has a rung spun brushed polyester outer that gives it a high wicking factor the amigo stable sheet has a classic cut design with double front closures a fillet string and low cross surcingles versatile stable sheet polyester outer high wicking factor cross surcingles excaliburorgn 5ft 9in