The seat spiral is made of soft material and has spread no unpleasant odors when opening. After just two days shy and spiced up with a small wicker ball with bells (secured with cable ties) the spiral of our two Wellis has been used and is now another landing and playground. The size is to go for two birds right also out of the way when the "love" is not so great. Through its light weight, the spiral was good to fix it with a nail in the ceiling. No drilling required!
