A lip helps to reduce slippage but makes it easier to slide items on and off. A hook helps carry bags around. Soft grip handles individually adjust for height and angle. Shelves hold up to 150 lbs. each. Handle height 34" to 38" (85-98 cm). Tray height 29" and 16" (73 and 40 cm). Trays are 16"W x 15"D (40 x 38cm) and can hold up to 30 lbs. Latex free.