Choice of color/design, size, and with or without interior pocket
Exterior is cotton or waterproof canvas
Lining is waterproof canvas
Great for trash, toys, phone, sunglasses, etc
Medium bag: approx 3"d x 9"w x 10"h plus strap (20" top to bottom)
Large bag: approx 4"d x 10"w x 11"h plus strap (21" top to bottom)