Durable enough to hold heavy towels and jeans. Stay securely in place on the line and won't fall apart or pinch the fingers of little helpers. Ideal for those with difficulty gripping or squeezing spring-loaded clothespins. Naturally rust and moisture resistant. Birch hardwood. Holds up to 10 lb per clip. 0.44 in L x 0.44 in W x 4.375 in H.