This is the ScubaPro Apnea Snorkel for Scuba Diving and Snorkeling Features: Made from soft and flexible non-toxic silicone. Traditional J-tube design is simple and reliable. The upper barrel can be removed for divers who prefer a shorter pipe. Available colors: Orange, Black, Blue, Purple, Pink, White, Yellow. SCUBAPRO's APNEA or FREEDIVING SNORKEL easily attaches to your mask strap when being used. When not needed, it can be folded and stowed in an accessory pocket. When it's time to do some surface swimming, it pops right back into shape. Without question, this is a versatile and easy-to-use surface breather.