Motion - Hot Water Bottle - Ideal for Pain Relief, Muscle Relaxation & Comfort Use | Made of Silicone for Heat/Cold Therapy GREAT FOR PAIN RELIEF, HOT & COLD THERAPY - Hot water bottle can be used alone as a remedy for aches, pains and sports injuries. In addition to the traditional hot therapy, it can also double up as a cold compress for kids with fever or to reduce swelling for minor injuries. CONTINUOUS WARM - It is made from quality silicone & plastic. Retains heat for an extra long time. Ribbed outer surface helps maintain liquid temperature. EASY TO USE- Wide mouth is easy to fill and the anti spurt lip prevent water spitting back out like those old rubber ones. Fill only to two-thirds capacity maximum. It's transparent. No more guesswork about how much hot water is inside. PERFECT FOR LONG-TIME USE - Having a cross-hatch design on its outside cover, it can hold intense heat for long periods of time and will not slide around.