Excellent for water exercises. Made of open-cell Slo-Foam™ with slow recovery and 100% memory. Useful for low-resistance squeezing exercises. Ideal for finger flexion exercises in contrast baths. Progressive resistances offer for a graded exercise program. The dimensions of each block are: 2” x 2' x 3” (5 x 5 x 7.6cm). Not made with natural rubber latex. Instructions for Care: Spot clean with a damp cloth or sponge and air dry. Note: Color range may vary.