shatterproof (adj.)

• airtight
• bombproof
• bulletproof
• burglarproof
• fire-resisting
• fireproof
• flameproof
• foolproof
• hermetic
• infrangible
• leakproof
• proof
• resistant
• rustproof
• shellproof
• soundproof
• tight
• unbreakable
• watertight
• weatherproof