To use this Kamen Rider Gavv T - shirt, simply put it on like any other shirt to show off your love for the Kamen Rider. The DX Poppin Gummy Gochizo can be used as a collectible or a fun accessory. When it comes to sizing, remember these are Japanese sizes. So, if you're between sizes or usually like a looser fit, go for a larger size. Since there are no refunds or exchanges for fashion items, choose your size carefully. For maintenance, machine - wash the T - shirt in cold water with like colors. Tumble dry on low. Keep the DX Poppin Gummy Gochizo away from sharp objects to prevent damage.